Kit is specially designed to fit the 1958-98 Chevy 262-400 engines, Has three unique cam designs for each application that deliver excellent horsepower gains & broad torque curve, It is perfect choice for muscle cars & street rods, Features an early intake valve opening & long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note, Works best with aftermarket converters & more rear gear
COMP Cams CL12-600-4 Thumpr Hydraulic Camshaft Kit, Chevy S/B COMP Cams
COMP Cams CL12-600-4 Thumpr Hydraulic Camshaft Kit, Chevy S/B
Sku # 282CL126004
Mfr. Part # CL12-600-4
Condition
New
Brand
COMP Cams
Sold
Each
Details
COMP Cams Thumpr 279TH7 Cam and Lifter Kit for Small Block Chevy.

Chevrolet 262-400 c.i. 8 cyl. 1958-1998. For '58-'98 262-400 cid Small Block Engines w/ Flat Tappet Cam - High Performance Street, Stock Converter Ok, Best w/ 2000+ Converter & Gears. Choppy/Thumping Idle. Thumpr. SMALL BLOCK CHEVY Hydraulic CAM AND LIFTER KIT - Thumpr : High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.

  • Three unique cam designs 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 with aftermarket converters & more rear gear
Specs
Camshaft Type
Hydraulic Flat Tappet
Intake Duration (.050" Lift)
227
Exhaust Duration (.050" Lift)
241
Intake Valve Lift w/ Rocker Arm Ratio
0.479"
Exhaust Valve Lift w/ Rocker Arm Ratio
0.465"
RPM Range
2000 to 5800
Lobe Separation
107 °
Lifter Type
Hydraulic Flat Tappet
Sold in Quantity
Kit
Intake Duration
279
Exhaust Duration
297
GTIN Code
036584181224
MFG. Part #
CL12-600-4
Grind Number
279TH7
External Ignition Box Required
No
Valve Springs Required
Yes
Valve Spring Included
No
Lifters Included
Yes
Retainers Included
No
Locks Included
No
Valve Stem Seals Included
No
Timing Chain and Gears Included
No
Assembly Lubricant Included
Yes
Pushrods Included
No
Rocker Arms Included
No
Gaskets Included
No
Reviews

I will buy this again

Rated
Product Rating
by Dan on October 26, 2022

Summary: Put this in my motor and installed it in my 56 Chevy nice sound and runs great

Yes, I recommend this product.

I would buy this product again

Rated
Product Rating
by Dedidic on January 17, 2022

Summary: Ordered 1 day shipped the next good quality and great service

Yes, I recommend this product.

Tech Support
We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help.
About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 74 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.