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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL51-223-4
Xtreme Energy 268H Hydraulic Flat Tappet Camshaft & Lifter Kit Lift: .477" /.480" Duration: 268°/280° RPM Range: 1600-5800
$39795
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Pontiac 265-455ci V-8 1955-81
- Xtreme Energy 268H Hydraulic Flat Tappet Camshaft & Lifter Kit
Lift: .477''/.480''
Duration: 268°/280°
RPM Range: 1600-5800
Good for street machines, slightly rough idle.
| Operating Range: | 1600-5800 RPM |
| Duration Advertised: | 268° Intake / 280° Exhaust |
| Duration @ .050' Lift: | 224° Intake / 230° Exhaust |
| Valve Lift w/1.5 Rockers: | .477' Intake / .480' Exhaust |
| Lobe Separation Angle: | 110° |
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 for street machines, slightly rough idle. 2000+ stall.
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.
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Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height3.0
Package Width5.4
Package Length25.4
Weight13.75 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)230
Cam StyleHydraulic flat tappet
Grind NumberP XE268H-10
Exh. Duration Advertised (Deg)280
Locks IncludedNo
Engine Make/SizePontiac 265-455
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.477
Int. Duration @ .050 In. (Deg)224
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,600-5,800
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.477 in (12.116 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)268
Lobe Separation (Deg)110
Rpm Range1600-5800
Lifter StyleHydraulic flat tappet
Advertised Duration268 int./280 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.48
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.477 int./0.480 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.48 in (12.192 mm)
Advertised Intake Duration268
Intake Duration At 050 Inch Lift224
Exhaust Duration At 050 Inch Lift230
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration280
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift224 int./230 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL51-223-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
