Engine, Short Block - New Hi-Perf

NAPA Ironclad Pricing Includes Prepaid Freight & Core Return from Servicing DC in the Contiguous 48 States. Performance Short Blocks hand built with premium parts, fully machined & measured for precision & balance Dart big M 9.8 4-bolt main 2pc seal, Manley 4340 forged crank 4.250 in. stroke internally balanced 2pc. Manley 4340 forged H-beam 6.385 in. rods with ARP 8740 bolts, forged -10cc dome single valve relief pistons Cam bearings Installed & clocked to OEM position, brass freeze plugs installed & sealed This short block has fully forged rotating assemble, and Dart block it will hold big power reliably. Your engine may not necessarily come with all components listed, but they are listed as our recommendations of parts to run for optimal performance. Oil galley plugs installed & sealed & block will accept mechanical fuel pump