COMP Cams K12-236-3 Xtreme Marine 218/224 Hydraulic Flat Cam K-Kit for Chevrolet Small Block

★★★★★ 4.7 77 reviews

$526.95
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Management number 215328951 Release Date 2026/04/12 List Price $210.78 Model Number 215328951
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Biggest cam for inboard/outboard, good mid-range with excellent response, noticeable idle. K12-236-3 contains the following: 12-236-3 Xtreme Marine 218/224 Hydraulic Flat Cam for Chevrolet Small Block, 812-16 High Energy Hydraulic Flat Lifter Set for Chevrolet Small and Big Block., 3200 High Energy Timing Set for '78+ Chevrolet 200, 229, 262 V6 and '55-'91 SBC, 981-16 Set of 16 Single Springs w/ 1.254" O.D., 1.254" I.D., 1.700" Installed Height, 601-16 Hardened Steel Set of 16 - 7 Degree, 11/32", Single Groove Street Locks, 742-16 7 Degree Steel Retainer Set of 16 for SBC, Chevrolet/Buick V6 w/ 1.250" OD Spring, 501-16 Set of 16 O-Ring Valve Seals for Stock Guide Size, 11/32" Valve Stem

  • Biggest cam for inboard/outboard, good mid-range with excellent response, noticeable idle.
  • 1,300-5,500 RPM Operating Range
  • 218/224 Duration at .050". 112 Degree Lobe Separation Angle. 0.462"/0.477" 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.
  • Works against restrictive exhaust systems, while the extremely wide powerband helps get boats on plane and make maximum horsepower.
  • Intended for applications where low idle speeds are required, while enhanced power production helps maintain top-end speed for longer distances.
  • Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer.
  • Made in USA
Brand Comp Cams
Model COMP Cams
Exterior Machined
Item Weight 22.1 pounds
Manufacturer COMP Cams
OEM Part Number N
Item model number K12-236-3
Product Dimensions 26 x 10.5 x 5 inches
Manufacturer Part Number K12-236-3

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