Description:

Extra-thick cylinder walls improve sealing & resist cracking (4.00” bore standard, .275” thick at 4.125” diameter) Front oil inlet simplifies plumbing Priority main oiling system directs oil to main bearings first Standard cam location Four bolt steel main bearing caps maintain proper clearance under high loads Front four steel main bearing caps clears standard oil pan Rear four-bolt cap uses standard oil pump & two-piece seal (no adapter required!) Splayed outer bolts on center caps resist boredistortion