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Pontiac 265-455 c.i. 8 cyl. 1955-1981
- Dual Energy Hyd. Flat Tappet Camshaft 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: .442"/.465"
Duration: 265°/269°
Lobe Separation Angle: 110°
RPM Range: 1200-5500
Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height3.2
Package Width5.5
Package Length25.4
Weight13.55 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)221
Cam StyleHydraulic flat tappet
Grind Number265DEH
Exh. Duration Advertised (Deg)269
Locks IncludedNo
Engine Make/SizePontiac 265-455
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.442
Int. Duration @ .050 In. (Deg)211
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,200-5,500
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.442 in (11.227 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)265
Lobe Separation (Deg)110
Rpm Range1200-5500
Lifter StyleHydraulic flat tappet
Advertised Duration265 int./269 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.465
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.442 int./0.465 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.465 in (11.811 mm)
Advertised Intake Duration265
Intake Duration At 050 Inch Lift211
Exhaust Duration At 050 Inch Lift221
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration269
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift211 int./221 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL51-207-4
Package Qty1
Package TypeEA
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