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Pontiac 265-455 c.i. 8 cyl. 1955-1981
- Dual Energy Hyd.Flat Tappet Cam and Lifter Kit
- More Exhaust Duration And Lift Than Intake
- Increased Mid And Upper RPM Power
- 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;
Pontiac 265-455ci 1955-1981
Lift: .420"/.450"
Duration: 255°/261°
Lobe Separation Angle: 110°
RPM Range: 1000-5000
Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height3.0
Package Width5.5
Package Length25.5
Weight13.7 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)212
Cam StyleHydraulic flat tappet
Grind Number255DEH
Exh. Duration Advertised (Deg)261
Locks IncludedNo
Engine Make/SizePontiac 265-455
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.42
Int. Duration @ .050 In. (Deg)202
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,000-5,000
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.42 in (10.668 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)255
Lobe Separation (Deg)110
Rpm Range1000-5000
Lifter StyleHydraulic flat tappet
Advertised Duration255 int./261 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.45
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.420 int./0.450 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.45 in (11.43 mm)
Advertised Intake Duration255
Intake Duration At 050 Inch Lift202
Exhaust Duration At 050 Inch Lift212
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration261
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift202 int./212 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL51-206-4
Package Qty1
Package TypeEA
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