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- Manufactured from A356 T-6 aluminum
- Designed for use with a 4 1/4” Delkron Big Block Cylinders and Big Block engine cases
- Feature 2” intake valves, 1.625” exhaust valves and 1.80” intake valves
- Spring travel and valve clearance for cams up to .640” lift
- Heads come assembled; include a flange-style intake manifold and top end gasket kit
- Available in natural or black finish
- Sold in pairs
- Made in the U.S.A.
NOTE: Accept Delkron Rocker Box, 0940-0597.
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