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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: .727"/.729"
Duration: 286°/293°
Lobe Separation Angle: 108°
RPM Range: 3200-6200
427-454 cu. in. Good torque for short tracks with tight turns.
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
427-454c.i. Good torque for short tracks with tight turns.
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 Height2.9
Package Width3.0
Package Length24.4
Weight10.25 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)260
Cam StyleMechanical roller tappet
Grind NumberCB 286RX-8
Exh. Duration Advertised (Deg)293
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.727
Int. Duration @ .050 In. (Deg)253
Basic Operating Rpm Range3,200-6,200
Intake Valve Lash0.02 in (0.508 mm)
Intake Valve Lift0.727 in (18.466 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)286
Lobe Separation (Deg)108
Rpm Range3200-6200
Advertised Duration286 int./293 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.729
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.727 int./0.729 exh.
Camshaft Gear Attachment3-bolt
QuantitySold individually
Exhaust Valve Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.729 in (18.517 mm)
Advertised Intake Duration286
Intake Duration At 050 Inch Lift253
Exhaust Duration At 050 Inch Lift260
Advertised Exhaust Duration293
Lifter TypeMechanical Roller
Duration At 050 Inch Lift253 int./260 exh.
Valve Springs RequiredYes
Vendor Part Number11-850-9
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
