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Drag Race/Oval Track 253/253 Hydraulic Flat Cam for Chevrolet Small Block

  • For Hydraulic Flat Tappet Lifters; Fits '58-'021 262-400 cid Chevy Small Blocks2

  • 4000+ stall • 11:1+ compression • Medium weight car

1: Cams for '55-'57 engines can be custom ordered. Please Call, Email, Twitter or Live Chat for details.

2: The '87+ Chevy Small Block received provisions for roller lifters. Most '87 - '93 GM cars came with roller lifters, but most '87 - '95 trucks came with flat tappet lifters in roller lifter style blocks. If a roller cam is desired and your block has OEM-style roller cam provisions. COMP Hyd. Roller Lifter Install Kit for '87-'90 Blocks or '91-'02 Blocks can be purchased, as well as a '87+ OE-Style Hyd. Roller Cam and '87+ OE-Style Roller Lifters. Roller cam conversion in pre-'87 blocks requires Retro-Fit Hyd. Roller Cam and Retro-Fit Link Bar Lifters.

More Information
UPC 036584640325
Manufacturer COMP Cams®
Emissions Code
Engine Family Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range 3,500-6,500
Cam Type Hydraulic Flat Tappet
Camshaft Series Oval Track
Camshaft Gear Attachment 3-Bolt
Usage Strip
California Proposition 65 WARNING: Cancer and Reproductive Harm
Advertised Intake Duration 305
Advertised Exhaust Duration 305
Intake Duration at .050 Inch Lift 253
Exhaust Duration at .050 Inch Lift 253
Intake Valve Lift 0.525
Exhaust Valve Lift 0.525
Lobe Lift Intake 0.35
Lobe Lift Exhaust 0.35
Lobe Separation 106
Intake Centerline 106
Valve Timing Lift 0.006
Exhaust Close ATDC 46
Intake Open BTDC 47
Exhaust Open BBDC 79
Intake Close ABDC 78
Lifter Style Hydraulic Flat Tappet