Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK51-246-4
Comp Cams Magnum Mechanical Flat Tappet Camshafts
$51895
Ships on 10/19/2026
Lowest Price GuaranteePontiac 265-455ci 8-cyl. 1955-1981
- Magnum 294S Mechanical Flat Tappet Camshaft Small 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;
Rough idle, needs 10:1+ compression ratio. Maximum street performance. Use 3000+ stall and low gear.
Lift: .525"/.525"
Duration: 294°/294°
Lobe Separation Angle: 110°
RPM Range: 2500-6500
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 Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.5
Package Length26.0
Weight21.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)248
Cam StyleMechanical flat tappet
Grind NumberP 294S-10
Exh. Duration Advertised (Deg)294
Locks IncludedNo
Engine Make/SizePontiac 265-455
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.525
Int. Duration @ .050 In. (Deg)248
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,500-6,500
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.022 in (0.559 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.525 in (13.335 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)294
Lobe Separation (Deg)110
Rpm Range2500-6500
Lifter StyleMechanical flat tappet
Advertised Duration294 int./294 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.525
Valve Springs IncludedNo
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.525 int./0.525 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.525 in (13.335 mm)
Advertised Intake Duration294
Intake Duration At 050 Inch Lift248
Exhaust Duration At 050 Inch Lift248
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration294
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift248 int./248 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK51-246-4
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
Some parts are not legal for use in California or other states with similar laws / regulations
