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Pontiac 265-455 c.i. 8 cyl. 1955-1981
- Dual Energy Hyd. Flat Tappet Camshaft Complete 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: .462"/.480"
Duration: 275°/277°
Lobe Separation Angle: 110°
RPM Range: 1500-5800
Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height5.0
Package Width11.5
Package Length25.0
Weight24.1 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)228
Cam StyleHydraulic flat tappet
Grind NumberP 275DEH-10
Exh. Duration Advertised (Deg)277
Locks IncludedYes
Engine Make/SizePontiac 265-455
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.462
Int. Duration @ .050 In. (Deg)219
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,500-5,800
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.462 in (11.735 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)275
Lobe Separation (Deg)110
Rpm Range1500-5800
Lifter StyleHydraulic flat tappet
Advertised Duration275 int./277 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.48
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.462 int./0.480 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.48 in (12.192 mm)
Advertised Intake Duration275
Outside Diameter Of Outer Spring1.384 in (35.2 mm)
Intake Duration At 050 Inch Lift219
Exhaust Duration At 050 Inch Lift228
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration277
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift219 int./228 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK51-208-4
Package Qty1
Package TypeEA
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