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Pontiac 265-455ci 8-cyl. 1955-1981
- Magnum 282S Mechanical Flat Tappet Camshaft Complete Kit
- Cams Are Very Aggressive
- Designed For Performance Oriented Vehicles
- Deliver More Power Than Standard Camshafts
- 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;
Mild idle, street machine cam. Needs 9.5:1+ compression, 2000+ stall and headers.
Lift: .495"/.495"
Duration: 282°/282°
Lobe Separation Angle: 110°
RPM Range: 2000-6000
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 Height5.0
Package Width11.5
Package Length25.0
Weight30.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleMechanical flat tappet
Grind Number282S
Exh. Duration Advertised (Deg)282
Locks IncludedYes
Engine Make/SizePontiac 265-455
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.495
Int. Duration @ .050 In. (Deg)236
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,000-6,000
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.022 in (0.559 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.495 in (12.573 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)282
Lobe Separation (Deg)110
Rpm Range2000-6000
Lifter StyleMechanical flat tappet
Advertised Duration282 int./282 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.495
Valve Springs IncludedYes
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.495 int./0.495 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.495 in (12.573 mm)
Advertised Intake Duration282
Outside Diameter Of Outer Spring1.437 in (36.5 mm)
Intake Duration At 050 Inch Lift236
Exhaust Duration At 050 Inch Lift236
Timing Chain StyleDouble roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration282
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift236 int./236 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK51-245-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
