
COMP CAMSPART NUMBER: 249-K11-601-8
Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Complete Kit Lift: .558"/.542"
$1,62395
3 left in stock Chevy 396-454 ci Big Block 1967-96 Non-Factory Roller Block Mutha Thumpr
- Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Complete Kit
- Lift: .558"/.542"
- Duration: 291°/311°
- Lobe Separation Angle: 107°
- RPM Range: 2000-5800
Valve Setting: Intake - Hyd, Exhaust - Hyd
RPM Operating Range: 2000 to 5800
Cam Grind Number: 291THR7
Duration Advertised: Intake - 291, Exhaust - 311
Duration @ .050': Intake - 235, Exhaust - 249
Valve Lift: Intake - .558, Exhaust - .542
Lobe Sep. Angle: 107°Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
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 Width10.5
Package Length25.5
Weight31.64 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)249
Cam StyleHydraulic roller tappet
Grind Number291THR7
Exh. Duration Advertised (Deg)311
Locks IncludedYes
Engine Make/SizeChevy Big Block (396-454)
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.558
Int. Duration @ .050 In. (Deg)235
Assembly Lubricant IncludedNo
Basic Operating Rpm Range2,000-5,800
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.558 in (14.173 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)249
Lobe Separation (Deg)107
Rpm Range2200-5800
Lifter StyleHydraulic roller
Advertised Duration291 int./311 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.542
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.588 int./0.542 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.542 in (13.767 mm)
Advertised Intake Duration291
Intake Duration At 050 Inch Lift235
Exhaust Duration At 050 Inch Lift249
Timing Chain StyleDouble roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration311
Lifter TypeHydraulic Roller Retrofit
Part FitmentSemi Universal
Duration At 050 Inch Lift235 int./249 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK11-601-8
Package Qty1
Package TypeEA
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