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Big Block Chevy
- Mechanical Roller Camshaft
- 1967-95 Big Block Chevy 396-454
- Gross Lift: .714"/.714"
- Advertised Duration: 278°/288°
- RPM Range: 3200-7000
Excellent mid range torque & HP, fair idle, performance usage, good w/manifold nitrous system, mild bracket racing, auto trans w/3500+ converter, 10.5 to 12.0 compression ratio advised. Good w/supercharger, 16 lbs. max. boost w/8.0 max. compression ratioGrind Number: R-246/420-2-14 IG Operating Range: 3200-7000 RPM Duration Advertised: 278° Intake / 288° Exhaust Duration @ .050' Lift: 246° Intake / 256° Exhaust Valve Lift w/1.7 Rockers: .420' Intake / .420' Exhaust Max Lift Angle: 109° ATDC Intake / 119° BTDC Exhaust
Part TypeCamshaft
BrandCRANE CAMS
Package Height2.5
Package Width2.6
Package Length25.2
Weight10.35 PG
Vendor Part Number138141
Package Qty1
Package TypeEA
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