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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-51-222-4
Xtreme Energy 262H Hydraulic Flat Tappet Camshaft Only Lift .462"/.470" Duration 262°/370° RPM Range 1300-5500
$30995
Ships on Sep 15, 2026
Lowest Price GuaranteePontiac 265-455ci V-8 1955-81
- Xtreme Energy 262H Hydraulic Flat Tappet Camshaft Only
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 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;
Excellent response, good mileage, stock converter or 1800 stall. Mild gear.
Lift .462"/.470"
Duration 262°/370°
RPM Range 1300-5500
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
BrandCOMP CAMS
Package Height2.8
Package Width2.9
Package Length24.3
Weight9.35 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)224
Cam StyleHydraulic flat tappet
Grind NumberP XE262H-10
Exh. Duration Advertised (Deg)270
Engine Make/SizePontiac 265-455
Intake Valve Lift With Factory Rocker Arm Ratio (I0.462
Int. Duration @ .050 In. (Deg)218
Basic Operating Rpm Range1,300-5,500
Intake Valve Lift0.462 in (11.735 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)262
Lobe Separation (Deg)110
Rpm Range1300-5500
Advertised Duration262 int./270 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.47
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.462 int./0.470 exh.
QuantitySold individually
Exhaust Valve Lift0.47 in (11.938 mm)
Advertised Intake Duration262
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift224
Advertised Exhaust Duration270
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift218 int./224 exh.
Valve Springs RequiredYes
Vendor Part Number51-222-4
Package Qty1
Package TypeEA
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