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Street/strip, 2800+ stall, likes headers and gears, rough idle.
2,300-6,500 RPM Operating Range
240/246 Duration at .050". 110 Degree Lobe Separation Angle. 0.507"/0.51" 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.
Excellent performance in street carbureted applications. Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
More vacuum allows an increase in duration for improved performance and assists power brakes. Best performance with aftermarket intake manifolds, headers and lower gear ratios.
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
Street/strip, 2800+ stall, likes headers and gears, rough idle. K12-250-3 contains the following: 12-250-3 Xtreme Energy 240/246 Hydraulic Flat Cam for Chevrolet Small Block, 812-16 High Energy Hydraulic Flat Lifter Set for Chevrolet Small and Big Block., 2100 Magnum Double Row Timing Set for '78-'86 Chevrolet V6 and 265-400 Small Block, 986-16 Valve Springs, 611-16 Set of 16 - 10 Degree, 11/32", Single Groove Locks w/ Lash Cap Recess, 740-16 10 Degree Superlock Steel Retainer Set of 16 for 1.437"-1.500" OD Valve Spring, 503-16 Set of 16 PTFE Valve Seals for .530" Guide Size, 11/32" Valve Stem