Basket Contents
Quantity in Basket: none

Free Ground Shipping Orders over $100 Continental U.S.


Home > Thumpr™ Cams > Hydraulic Roller
Thumpr™ 283THR7; 1900 to 5600 RPM Range
Thumpr™ 283THR7; 1900 to 5600 RPM Range
Product Representation: Actual part may vary based on configuration ordered.
Part: 12-600-8
Price: $316.04
Weight: 8.64 lbs FREE SHIPPING OVER $50!
  • For Retro-Fit (Link Bar) Hydraulic Roller Lifters; Fits '58-'021 262-400 cid Chevy Small Blocks2

  • High performance street • Stock converter ok, best w/ 2000+ & gears • Choppy/thumping idle

  • Optimize engine character & sound, while providing excellent valvetrain stability & a wide power range

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. As well as a '87+ OE-Style COMP Hyd. Roller Cam and '87+ OE-Style COMP Roller Lifters. Pre-'87 blocks require Retro-Fit Link Bar Roller Lifters.