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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL51-232-3
Pontiac High Energy 268H Hydraulic Flat Tappet Camshaft & Lifter Kit
$38695
Ships on 09/14/2026
Lowest Price GuaranteePontiac 265-455ci V-8 1955-81
High Energy 268H Hydraulic Flat Tappet Camshaft & Lifter Kit1955-1981 Pontiac 265-455ci Engines Lift: .454 in./.454 in. Duration: 268°/268° RPM Range: 1500-5500
Good low end and mid-range torque. Street performance, noticeable idle.
Notes:
- Requires upgraded valve springs. (249-988-16)
- For Street Applications w/Lower Compression Ratios
- 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;
Good low end and mid-range torque. Street performance, noticeable idle.
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 Height3.1
Package Width5.6
Package Length25.3
Weight13.64 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)218
Cam StyleHydraulic flat tappet
Grind NumberP 268H-10
Exh. Duration Advertised (Deg)268
Locks IncludedNo
Engine Make/SizePontiac 265-455
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.454
Int. Duration @ .050 In. (Deg)218
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,500-5,500
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.454 in (11.532 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)268
Lobe Separation (Deg)110
Rpm Range1500-5500
Lifter StyleHydraulic flat tappet
Advertised Duration268 int./268 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.454
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.454 int./0.454 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.454 in (11.532 mm)
Advertised Intake Duration268
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift218
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration268
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift218 int./218 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL51-232-3
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
