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Big Block Chevrolet 396-454ci 1965-1996Mechanical Roller Xtreme RX Roller
- Oval Track Mechanical Roller Camshaft
Chevrolet 396-454ci 1965-1996
Lift: .734"/.737"
Duration: 294°/303°
Lobe Separation Angle: 108°
RPM Range: 3600-6600
468 cu. in. Broad power for midsize tracks. Easy on parts.
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
468c.i. Broad power for mid-size tracks. Easy on parts.
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
BrandCOMP CAMS
Package Height2.8
Package Width2.9
Package Length24.3
Weight10.6 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)270
Cam StyleMechanical roller tappet
Grind Number294RX-8
Exh. Duration Advertised (Deg)303
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.734
Int. Duration @ .050 In. (Deg)261
Basic Operating Rpm Range3,600-6,600
Intake Valve Lash0.02 in (0.508 mm)
Intake Valve Lift0.734 in (18.644 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)294
Lobe Separation (Deg)108
Rpm Range3600-6600
Advertised Duration294 int./303 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.737
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.734 int./0.737 exh.
Camshaft Gear Attachment3-bolt
QuantitySold individually
Exhaust Valve Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.737 in (18.72 mm)
Advertised Intake Duration294
Intake Duration At 050 Inch Lift261
Exhaust Duration At 050 Inch Lift270
Advertised Exhaust Duration303
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift261 int./270 exh.
Valve Springs RequiredYes
Vendor Part Number11-851-9
Package Qty1
Package TypeEA
No Questions
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Some parts are not legal for use in California or other states with similar laws / regulations
