• COMP CAMS K11-600-8 COMP Cams K11-600-8 Thumpr 227/241 Hydraulic Roller Cam K-Kit for Chevrolet Big Block 396-454
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COMP CAMS

COMP Cams K11-600-8 Thumpr 227/241 Hydraulic Roller Cam K-Kit for Chevrolet Big Block 396-454

COMP Cams K11-600-8 Thumpr 227/241 Hydraulic Roller Cam K-Kit for Chevrolet Big Block 396-454

C56K116008

$1,901.99
$1,901.99
Sale Sold out
Shipping calculated at checkout.

Low stock
  • Genuine brand-name parts
  • Ships from US warehouse
  • 30-day returns
  • High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.
  • 1,900-5,500 RPM Operating Range
  • 227/241 Duration at .050". 107 Degree Lobe Separation Angle. 0.547"/0.53" Valve Lift
  • K Kits vary in their contents, but generally contain a camshaft, a set of lifters, valve springs, retainers, locks, valve seals, timing set, decals and instructions. Check description for more accurate listing of kit contents.
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
  • Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
  • Fits Chevrolet 396-454 Mark IV Big Block
Brand COMP CAMS
Manufacturer part number K11-600-8
UPC / GTIN 36584153498
Weight 31.65 lb
Dimensions (L × W × H) 26 × 10.5 × 5 in
Category Engine & Drivetrain
Condition New — genuine brand-name part
Genuine brand-name part, full manufacturer warranty. Ships from the closest US warehouse — normally within 1–3 business days. Verify fitment with the manufacturer part number above; not sure? Send us your VIN and we’ll confirm before you order. 30-day returns on unused parts.

Shipping & delivery

Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.

Returns & warranty

Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.

Fitment & part numbers

Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.

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