Good for street machines, slightly rough idle, stock converter will work but best with 1800+ stall. K11-242-3 contains the following: 11-242-3 Xtreme Energy 224/230 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, 911-16 Valve Springs, 612-16 Set of 16 – 10 Degree, 3/8″, Single Groove Locks w/ Lash Cap Recess, 748-16 10 Degree Superlock Steel Retainer Set of 16 for 1.500″-1.550″ OD Valve Spring, 504-16 Set of 16 Umbrella Valve Seals for Stock Guide Size, 3/8″ Valve Stem
- Good for street machines, slightly rough idle, stock converter will work but best with 1800+ stall.
- 1,600-5,800 RPM Operating Range
- 224/230 Duration at .050″. 110 Degree Lobe Separation Angle. 0.515″/0.52″ 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 396-454 Mark IV Big Block
- Made in USA