In order to use these camshafts in 1955-57 265ci blocks, it is necessary to machine a small groove in the rear main journal of the cam to allow oil flow to the top of the engine.

Excellent response, good mid-range, noticeable idle.

Operating Range:	1300-5600 RPM
Duration Advertised:	262° Intake / 270° Exhaust
Duration @ .050'' Lift:	218° Intake / 224° Exhaust
Valve Lift w/1.5 Rockers:	.462'' Intake / .469'' Exhaust
Lobe Separation Angle:	110°

Specifications:

Intake Valve Lift (in.)

0.462

Exhaust Valve Lift (in.)

0.469

RPM Range

1300-5600

Int. Duration @ .050 in. (Deg)

218

Exh. Duration @ .050 in. (Deg)

224

Int. Duration Advertised (Deg)

262

Exh. Duration Advertised (Deg)

270

Engine Make/Size

Chevy Small Block (262-400)

Lifter Type

Hydraulic Flat Tappet

Usage

Street/Performance

Gaskets Included

Advertised Duration

262 int./270 exh.

Advertised Exhaust Duration

270

Advertised Intake Duration

262

Assembly Lubricant Included

Yes

Basic Operating RPM Range

1,300-5,600

Cam Style

Hydraulic flat tappet

Computer-Controlled Compatible

Duration at 050 inch Lift

218 int./224 exh.

Exhaust Duration at 050 inch Lift

224

Exhaust Valve Lift with Factory Rocker Arm Ratio (

0.469

Grind Number

CS XE262H-10

Intake Duration at 050 inch Lift

218

Intake Valve Lift with Factory Rocker Arm Ratio (i

0.462

Lifter Style

Hydraulic flat tappet

Lifters Included

Yes

Locks Included

Yes

Outside Diameter of Outer Spring (in.)

1.254

Pushrods Included

Quantity

Sold as a kit

Retainers Included

Yes

Rocker Arms Included

Timing Chain and Gears Included

Yes

Timing Chain Style

Double non-roller

Valve Lift with Factory Rocker Arm Ratio

0.462 int./0.469 exh.

Valve Springs Included

Yes

Valve Springs Required

Valve Stem Seals Included

Yes

Lobe Separation (Deg)

110

Manufacturer's Part Number:

K12-238-2

The Leading Edge of Valve Train Technology

Comp Cams Xtreme Energy series are perfect for any street or street/strip application where both throttle response and top-end horsepower is desired. These camshafts are designed to take advantage of the latest and greatest in valvetrain technology . Their aggressive lobe design produces better throttle response and top end horsepower than other cams with the same duration @ .050'' lift, while delivering increased engine vacuum. We do not recommend the use of stock valve springs with these camshafts due to the aggressive lobe designs.

Features:

Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve

More vacuum allows an increase in duration for improved performance and assists power brakes

Excellent performance in street carbureted applications

Best performance with aftermarket intake manifolds, headers, lower gear ratios

Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

Does COMP Cams K12-238-2 fit your vehicle?

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Aspiration

1975-1978 GMC K25 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: BASE
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1979 GMC C3500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: SIERRA GRANDE
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1978-1981 GMC C1500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: STREET COUPE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1979 CHEVROLET BLAZER K5

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: CHEYENNE
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1969-1971 CHEVROLET K30 PICKUP

CC: 5736
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: BASE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1972 CHEVROLET CHEVELLE

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
Aspiration: N
SubModel: NOMAD
Engine Vin: K
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1977-1978 GMC C25 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: HIGH SIERRA
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1976 CHEVROLET IMPALA

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: S
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1975-1982 CHEVROLET G20 VAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: CHEVY VAN
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1977-1979 GMC K1500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1979-1980 CHEVROLET K10 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: SILVERADO
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1965-1966 CHEVROLET CHEVY II

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.4
SubModel: NOVA SS
CUI: 327
EngineType: V8 ( 5.4 L / 327 )

1972 CHEVROLET CHEVELLE

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
Aspiration: N
SubModel: BASE
Engine Vin: L
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1975-1976 CHEVROLET CAPRICE

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: CLASSIC
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1972-1973 CHEVROLET C20 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 307
EngineType: V8 ( 5.0 L / 307 )

1968-1969 GMC G15/G1500 VAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: RALLY
CUI: 307
EngineType: V8 ( 5.0 L / 307 )

1977 GMC C1500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: INDY HAULER
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1972 CHEVROLET CAPRICE

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
Aspiration: N
SubModel: BASE
Engine Vin: L
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1977 OLDSMOBILE OMEGA

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BROUGHAM
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1984-1986 PONTIAC FIREBIRD

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
Aspiration: N
SubModel: TRANS AM
Engine Vin: H
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1974 CHEVROLET C30 PICKUP

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: BASE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1973 CHEVROLET G20 VAN

CC: 5736
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: SPORTVAN
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1977-1979 CHEVROLET C10 SUBURBAN

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: CUSTOM DELUXE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1982-1986 CHEVROLET C20 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: SILVERADO
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1972 CHEVROLET BLAZER

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 307
EngineType: V8 ( 5.0 L / 307 )

1979 GMC K1500 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: SIERRA GRANDE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1968 CHEVROLET C10 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.4
SubModel: BASE
CUI: 327
EngineType: V8 ( 5.4 L / 327 )

1980 OLDSMOBILE CUTLASS SUPREME

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1978 OLDSMOBILE CUTLASS SALON

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
EngineType: ALL
SubModel: 442

1972 CHEVROLET CAPRICE

CC: 6556
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: BASE
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1972 CHEVROLET CORVETTE

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
Aspiration: N
SubModel: BASE
Engine Vin: J
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1972 CHEVROLET CAPRICE

CC: 6588
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
Aspiration: N
SubModel: BASE
Engine Vin: U
CUI: 402
EngineType: V8 ( 6.6 L / 402 )

1975-1977 CHEVROLET C30 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: CHEYENNE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1978-1980 CHEVROLET C10 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: SILVERADO
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1957-1958 CHEVROLET BEL AIR

CC: 4638
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 4.6
SubModel: BASE
CUI: 283
EngineType: V8 ( 4.6 L / 283 )

1978 GMC C15 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: SIERRA GRANDE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1983-1986 PONTIAC BONNEVILLE

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BROUGHAM
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1973-1974 CHEVROLET MALIBU

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: ESTATE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1983-1986 GMC G35/G3500 VAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: RALLY STX
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1961-1966 CHEVROLET SUBURBAN

CC: 4638
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 4.6
SubModel: BASE
CUI: 283
EngineType: V8 ( 4.6 L / 283 )

1972 CHEVROLET BISCAYNE

CC: 6556
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: BASE
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1977-1979 CHEVROLET C10 SUBURBAN

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: SCOTTSDALE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1975 GMC G35/G3500 VAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
EngineType: ALL
SubModel: RALLY

1972 CHEVROLET CAMARO

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
Aspiration: N
SubModel: Z28
Engine Vin: J
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1977-1978 CHEVROLET CAPRICE

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
EngineType: ALL
SubModel: CLASSIC ESTATE

1980-1981 GMC G35/G3500 VAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
EngineType: ALL
SubModel: VANDURA SPECIAL

1969 CHEVROLET CAMARO

CC: 5736
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: BASE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1967-1968 CHEVROLET K20 PICKUP

CC: 5358
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.3
SubModel: BASE
CUI: 327
EngineType: V8 ( 5.3 L / 327 )

1985 CHEVROLET K20 PICKUP

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: SILVERADO
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1975-1978 GMC C35/C3500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: SIERRA GRANDE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1979 GMC K1500 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: HIGH SIERRA
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1976-1978 GMC G35/G3500 VAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: RALLY STX
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1969-1973 GMC C15/C1500 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: BASE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1972 CHEVROLET KINGSWOOD

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: ESTATE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1979 CHEVROLET IMPALA

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: SPORT
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1979-1986 CHEVROLET C30 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: SILVERADO
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1982-1986 CHEVROLET K10 SUBURBAN

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: CUSTOM
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1969-1973 GMC C35/C3500 PICKUP

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 307
EngineType: V8 ( 5.0 L / 307 )

1977-1978 CHEVROLET K20 PICKUP

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: SILVERADO
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1955-1957 CHEVROLET BEL AIR

CC: 4343
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 4.3
SubModel: BASE
CUI: 265
EngineType: V8 ( 4.3 L / 265 )

1975-1976 CHEVROLET MONZA

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 4.3
SubModel: 2+2
CUI: 262
EngineType: V8 ( 4.3 L / 262 )

1985 CHEVROLET IMPALA

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1983-1986 PONTIAC BONNEVILLE

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1976-1978 GMC C25/C2500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: HIGH SIERRA
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1975-1978 CHEVROLET K5 BLAZER

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: CHEYENNE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1972-1975 GMC G15/G1500 VAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: RALLY
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1978-1979 GMC CABALLERO

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: BASE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1973 CHEVROLET CHEVELLE

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
Aspiration: N
SubModel: DELUXE
Engine Vin: T
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1972 CHEVROLET KINGSWOOD

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
Aspiration: N
SubModel: ESTATE
Engine Vin: J
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1965 CHEVROLET CHEVELLE

CC: 5358
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.3
SubModel: BASE
CUI: 327
EngineType: V8 ( 5.3 L / 327 )

1979-1981 GMC C1500 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: SIERRA CLASSIC
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1976-1978 GMC G35/G3500 VAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: RALLY
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1972-1973 CHEVROLET K10 SUBURBAN

CC: 5736
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: BASE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1977-1986 GMC C1500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: SIERRA CLASSIC
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1983-1984 GMC G25/G2500 VAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: RALLY CUSTOM
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1968 GMC C15/C1500 SUBURBAN

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 307
EngineType: V8 ( 5.0 L / 307 )

1980 CHEVROLET C20 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: SCOTTSDALE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1977-1979 CHEVROLET C10 PICKUP

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: SCOTTSDALE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1979-1980 GMC K3500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: HIGH SIERRA
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1977 CHEVROLET K10 SUBURBAN

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: SILVERADO
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1983-1984 CHEVROLET G20 VAN

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BONAVENTURE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1979-1982 GMC K2500 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: SIERRA GRANDE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1986 CHEVROLET CAPRICE

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1967-1968 GMC K1500 PICKUP

CC: 5358
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.3
SubModel: BASE
CUI: 327
EngineType: V8 ( 5.3 L / 327 )

1974 CHEVROLET C10 PICKUP

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: BASE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1972 CHEVROLET CAMARO

CC: 5737
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
Aspiration: N
SubModel: Z28
Engine Vin: L
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1976-1978 CHEVROLET MALIBU

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: CLASSIC LANDAU
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1979-1980 GMC K1500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: BASE
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1983-1984 PONTIAC FIREBIRD

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: S/E
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1977-1978 GMC K35 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: BASE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1972-1973 CHEVROLET C10 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 307
EngineType: V8 ( 5.0 L / 307 )

1981-1986 GMC C2500 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: BASE
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1976 GMC C1500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: HIGH SIERRA
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1970-1972 CHEVROLET KINGSWOOD

CC: 6556
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: ESTATE
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1975-1978 GMC K15 SUBURBAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: SIERRA GRANDE
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1975-1980 CHEVROLET G20 VAN

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 6.6
SubModel: BEAUVILLE
CUI: 400
EngineType: V8 ( 6.6 L / 400 )

1983 CHEVROLET K10 SUBURBAN

CC: 5031
Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: BASE
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1975-1978 GMC C25/C2500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.7
SubModel: HIGH SIERRA
CUI: 350
EngineType: V8 ( 5.7 L / 350 )

1977-1979 GMC K1500 PICKUP

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.0
SubModel: SIERRA CLASSIC
CUI: 305
EngineType: V8 ( 5.0 L / 305 )

1968-1969 CHEVROLET CAMARO

Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
Liter: 5.4
SubModel: RS
CUI: 327
EngineType: V8 ( 5.4 L / 327 )

1 2 ... 17 >

K12-238-2 - Comp Cams 'Xtreme Energy' Hydraulic Flat Tappet Camshafts is rated 5.0 out of 5 by 1.

Rated 5 out of 5 by Carlizle from great all around It really gave my stock rebuild some nice attitude

Date published: 2014-11-02

can i use stock SBC pushrods with this setup? also comp cams website says must use their roller rocker arms? this setup will be going on a Vortec head and non roller block combo

Asked by: bluelineengines

The stock pushrods work on most applications. There's too many variables to guarantee it works because that's such an important part of the valvetrain it needs to be checked upon assembly.

Answered by: Dean R

Date published: 2018-02-10

Items You Need

COMP Cams 159 - Engine Break-in Oil Additive 12 Ounce Bottle

Only $11.99

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JEGS 80521 - Stud Mounted Valve Spring Compressor Tool

Only $44.99

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JEGS 80523 - Valvetrain Checking Springs Light tension springs

Only $11.99

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COMP Cams Xtreme Energy 262H Hydraulic Flat Tappet Camshaft Complete Kit Lift: .462"/.469" Duration: 262°/270° RPM Range: 1300-5600

Part Number: 249-K12-238-2

COMP Cams K12-238-2 Details

Specifications:

Does COMP Cams K12-238-2 fit your vehicle?

1975-1978 GMC K25 PICKUP

1979 GMC C3500 PICKUP

1978-1981 GMC C1500 PICKUP

1979 CHEVROLET BLAZER K5

1969-1971 CHEVROLET K30 PICKUP

1972 CHEVROLET CHEVELLE

1977-1978 GMC C25 SUBURBAN

1976 CHEVROLET IMPALA

1975-1982 CHEVROLET G20 VAN

1977-1979 GMC K1500 PICKUP

1979-1980 CHEVROLET K10 SUBURBAN

1965-1966 CHEVROLET CHEVY II

1972 CHEVROLET CHEVELLE

1975-1976 CHEVROLET CAPRICE

1972-1973 CHEVROLET C20 SUBURBAN

1968-1969 GMC G15/G1500 VAN

1977 GMC C1500 PICKUP

1972 CHEVROLET CAPRICE

1977 OLDSMOBILE OMEGA

1984-1986 PONTIAC FIREBIRD

1974 CHEVROLET C30 PICKUP

1973 CHEVROLET G20 VAN

1977-1979 CHEVROLET C10 SUBURBAN

1982-1986 CHEVROLET C20 SUBURBAN

1972 CHEVROLET BLAZER

1979 GMC K1500 SUBURBAN

1968 CHEVROLET C10 PICKUP

1980 OLDSMOBILE CUTLASS SUPREME

1978 OLDSMOBILE CUTLASS SALON

1972 CHEVROLET CAPRICE

1972 CHEVROLET CORVETTE

1972 CHEVROLET CAPRICE

1975-1977 CHEVROLET C30 PICKUP

1978-1980 CHEVROLET C10 PICKUP

1957-1958 CHEVROLET BEL AIR

1978 GMC C15 SUBURBAN

1983-1986 PONTIAC BONNEVILLE

1973-1974 CHEVROLET MALIBU

1983-1986 GMC G35/G3500 VAN

1961-1966 CHEVROLET SUBURBAN

1972 CHEVROLET BISCAYNE

1977-1979 CHEVROLET C10 SUBURBAN

1975 GMC G35/G3500 VAN

1972 CHEVROLET CAMARO

1977-1978 CHEVROLET CAPRICE

1980-1981 GMC G35/G3500 VAN

1969 CHEVROLET CAMARO

1967-1968 CHEVROLET K20 PICKUP

1985 CHEVROLET K20 PICKUP

1975-1978 GMC C35/C3500 PICKUP

1979 GMC K1500 SUBURBAN

1976-1978 GMC G35/G3500 VAN

1969-1973 GMC C15/C1500 SUBURBAN

1972 CHEVROLET KINGSWOOD

1979 CHEVROLET IMPALA

1979-1986 CHEVROLET C30 PICKUP

1982-1986 CHEVROLET K10 SUBURBAN

1969-1973 GMC C35/C3500 PICKUP

1977-1978 CHEVROLET K20 PICKUP

1955-1957 CHEVROLET BEL AIR

1975-1976 CHEVROLET MONZA

1985 CHEVROLET IMPALA

1983-1986 PONTIAC BONNEVILLE

1976-1978 GMC C25/C2500 PICKUP

1975-1978 CHEVROLET K5 BLAZER

1972-1975 GMC G15/G1500 VAN

1978-1979 GMC CABALLERO

1973 CHEVROLET CHEVELLE

1972 CHEVROLET KINGSWOOD

1965 CHEVROLET CHEVELLE

1979-1981 GMC C1500 SUBURBAN

1976-1978 GMC G35/G3500 VAN