Magnum Mechanical Roller Cam Complete Kit Pontiac 265-455ci 1955-1981 Lift: .575"/.575"

Vehicle Info Needed

COMP CAMSPART NUMBER: 249-K51-752-9

Magnum Mechanical Roller Cam Complete Kit Pontiac 265-455ci 1955-1981 Lift: .575"/.575"

Name: Magnum Mechanical Roller Cam Complete Kit Pontiac 265-455ci 1955-1981 Lift: .575"/.575"
Brand: COMP CAMS
SKU: 249-K51-752-9
Price: 1351.99 USD
Availability: InStock

^$1,351⁹⁹

Ships on 09/16/2026

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Pontiac 265-455ci 1955-1981

Lift: .575"/.575"
Duration: 308°/308°
Lobe Separation Angle: 110°
RPM Range: 3000-6700
Cams Are Very Aggressive
Designed For Performance Oriented Vehicles
Deliver More Power Than Standard Camshafts
1 Year Limited Warranty
Pontiac; Super Duty; SD; SD455; HO; 455 HO; Trans-Am; Catalina; Firebird; Formula; 421; 455; 400; 428; 350; 265; 301; 370; 389; 301; 287; 317; 347; Ram Air; Ram Air IV; Ram Air III; Bonneville; Grand Prix; LeMans; Parisienne; Grand Am; Century; Regal;

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeCamshaft Kit

BrandCOMP CAMS

Package Height5.0

Package Width10.0

Package Length25.25

Weight25.35 PG

Part CategoryPerformance Parts

Exh. Duration @ .050 In. (Deg)262

Cam StyleMechanical roller tappet

Grind Number308R

Exh. Duration Advertised (Deg)308

Locks IncludedYes

Engine Make/SizePontiac 265-455

Retainers IncludedYes

Intake Valve Lift With Factory Rocker Arm Ratio (I0.575

Int. Duration @ .050 In. (Deg)262

Assembly Lubricant IncludedNo

Basic Operating Rpm Range3,000-6,700

Pushrods IncludedNo

Gaskets IncludedNo

Intake Valve Lash0.02 in (0.508 mm)

Rocker Arms IncludedNo

Intake Valve Lift0.575 in (14.605 mm)

Computer-Controlled CompatibleNo

Int. Duration Advertised (Deg)308

Lobe Separation (Deg)110

Rpm Range3000-6700

Lifter StyleMechanical roller

Advertised Duration308 int./308 exh.

Exhaust Valve Lift With Factory Rocker Arm Ratio (0.575

Valve Springs IncludedYes

UsageStreet/Strip

Valve Lift With Factory Rocker Arm Ratio0.575 int./0.575 exh.

QuantitySold as a kit

Valve Stem Seals IncludedYes

Exhaust Valve Lash0.02 in (0.508 mm)

Exhaust Valve Lift0.575 in (14.605 mm)

Advertised Intake Duration308

Outside Diameter Of Outer Spring1.489 in (37.8 mm)

Intake Duration At 050 Inch Lift262

Exhaust Duration At 050 Inch Lift262

Timing Chain StyleDouble roller

Timing Chain And Gears IncludedYes

Advertised Exhaust Duration308

Lifter TypeMechanical Roller

Part FitmentSemi Universal

Duration At 050 Inch Lift262 int./262 exh.

Valve Springs RequiredNo

Lifters IncludedYes

Vendor Part NumberK51-752-9

Package Qty1

Package TypeEA

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