Description
- Strong torque through low end and mid-range, good idle.
- 1,000-5,200 RPM Operating Range
- 212/218 Duration at .050″. 110 Degree Lobe Separation Angle. 0.447″/0.455″ 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 Pontiac 265-455 V8
- Made in USA
Strong torque through low end and mid-range, good idle. K51-221-4 contains the following: 51-221-4 Xtreme Energy 212/218 Hydraulic Flat Cam for Pontiac 265-455, 852-16 High Energy Hydraulic Flat Lifters for Oldsmobile 260-455 and Pontiac 265-455, 3212 High Energy Timing Set for ’55-’81 Pontiac 265-455, 988-16 Valve Springs, 601-16 Hardened Steel Set of 16 – 7 Degree, 11/32″, Single Groove Street Locks, 743-16 7 Degree Steel Retainer Set of 16 for 11/32″ Valve w/ 1.437″-1.500″ Spring, 501-16 Set of 16 O-Ring Valve Seals for Stock Guide Size, 11/32″ Valve Stem
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