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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-769-8
Xtreme Energy Mechanical Roller Camshaft Small Block Chevy 1955-98 Lift: .552"/.564"
$57795
4 left in stock
Ships Today
Lowest Price GuaranteeChevy 262-400ci Small Block 1955-98
- Xtreme Energy Mechanical Roller Camshaft
- Lift: .552"/.564"
- Duration: 268°/274°
- Lobe Separation Angle: 110°
- RPM Range: 2000-6000Camshaft Specification Table
Part Number 12-769-8 Engine 1955-1998 Chevrolet
262ci-400ci
8cyl.Grind Number CS XR268 R-10 Description
Intake Exhaust Valve Adjustment 0.016 0.018 Gross Valve Lift 0.552 0.564 Duration At 0.015 Tappet Lift 268 274
Valve Timing At 0.015 Open Close Intake 28 60 Exhaust 71 23
These Specs Are For The Cam Installed At 106 Intake CL Intake Exhaust Duration At 0.05 230 236 Lobe Lift 0.368 0.376 Lobe Separation 110
Recommended Valve Springs 249-977-16 265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10
Good for weekend cruiser with 9:1+ compression, 2000+ stall and lower gears. Noticeable idle.
Small Block Chevy 1955-98
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
BrandCOMP CAMS
Package Height2.9
Package Width3.1
Package Length24.2
Weight8.55 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleMechanical roller tappet
Grind NumberXR268 R
Exh. Duration Advertised (Deg)274
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.552
Int. Duration @ .050 In. (Deg)230
Basic Operating Rpm Range2,000-6,000
Intake Valve Lash0.016 in (0.406 mm)
Intake Valve Lift0.522 in (13.259 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)268
Lobe Separation (Deg)110
Rpm Range2000-6000
Advertised Duration268 int./274 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.564
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.552 int./0.564 exh.
QuantitySold individually
Exhaust Valve Lash0.018 in (0.457 mm)
Exhaust Valve Lift0.564 in (14.326 mm)
Advertised Intake Duration268
Intake Duration At 050 Inch Lift230
Exhaust Duration At 050 Inch Lift236
Advertised Exhaust Duration274
Lifter TypeMechanical Roller
Duration At 050 Inch Lift230 int./236 exh.
Valve Springs RequiredYes
Vendor Part Number12-769-8
Package Qty1
Package TypeEA
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