Comp Cams

COMP Cams K116024 Hydraulic Flat Tappet Camshaft Kit

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SKU:
21375284
MPN:
k116024
Availability:
Usually ships the same or next business day. In stock at our PA warehouse.
Shipping:
Calculated at Checkout
Stock Update:
04/01/2026 09:26:45 PM PST
$708.95
Stock Update:
04/01/2026 09:26:45 PM PST

Description

This item is brand-new, factory sealed.

COMP Cams K11-602-4 Thumpr 243/257 Hydraulic Flat Cam K-Kit for Chevrolet Big Block 396-454
  • Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
  • 2,300-6,200 RPM Operating Range
  • 243/257 Duration at .050". 107 Degree Lobe Separation Angle. 0.522"/0.507" 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, assembly lubricant, 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
  • Made in USA
  • Material: ?Metal
  • Brand: ?Comp Cams
  • Item dimensions L x W x H: ?25.2 x 10.2 x 5.1 inches
  • Included Components: ?Camshaft, Lifters, Timing Chain Set, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Assembly Lube, Instructions
  • Number of Pieces: ?1
  • Manufacturer: ?COMP Cams
  • UPC: ?036584182269
  • Global Trade Identification Number: ?00036584182269
  • Model: ?K11-602-4
  • Item Weight: ?26.2 pounds
  • Product Dimensions: ?25.2 x 10.2 x 5.1 inches
  • Item model number: ?K11-602-4
  • Manufacturer Part Number: ?K11-602-4
  • OEM Part Number: ?N

Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle. K11-602-4 contains the following: 11-602-4 Thumpr 243/257 Hydraulic Flat Cam for Chevrolet Big Block 396-454, 812-16 High Energy Hydraulic Flat Lifter Set for Chevrolet Small and Big Block., 2110 Magnum Double Row Timing Set for '65-'91 396-454 Chevrolet Big Block, 924-16 Performance Street 1.509" OD Spring; 1.900" Installed Height; 16 Springs, 612-16 Set of 16 - 10 Degree, 3/8", Single Groove Locks w/ Lash Cap Recess, 741-16 10 Degree Superlock Steel Retainer Set of 16 for 1.500"-1.550" OD Valve Spring, 505-16 Set of 16 PTFE Valve Seals for .530" Guide Size, 3/8" Valve Stem

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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COMP Cams K116024 Hydraulic Flat Tappet Camshaft Kit
$708.95