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Home > Chevrolet/GM > Small Block Gen I 305-350 '87-'98 (Roller) > Pushrods
Big Mutha' Thumpr™ 299THR7; 2500 to 6500 RPM Range
Big Mutha' Thumpr™ 299THR7; 2500 to 6500 RPM Range
Product Representation: Actual part may vary based on configuration ordered.
Part: 08-602-8
Price: $297.78
Weight: 8.80 lbs FREE SHIPPING OVER $50!
Quantity:
  • For OE-Style Hydraulic Roller Lifters; Fits '87-'02 305-350 cid Chevy Small Blocks2 (Except LT1)

  • Street/strip • Needs 9.5:1 compression, 2800+ stall, intake, gears & headers • Very rough idle

  • Thumpr™ Cams: Three unique cam designs available for each application that deliver excellent horsepower gains & broad torque curve; Perfect choice for muscle cars & street rods • Early intake valve opening & long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note • Best w/ aftermarket converters & more rear gear

Click for Cam Specs, Recommended Components & Application Notes


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 your block has '87+ OEM-style roller cam provisions but does not have roller components fitted, COMP Hyd. Roller Lifter Install Kit for '87-'90 Blocks or '91-'02 Blocks can be purchased.

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