Small-Block Chevy Engine Buildups: How to Build Horsepower for Maximum Street and Racing Performance: Editors of Chevy High Performance Mag: 9781557884008: Amazon.com: Books
Subaru OEM EJ257 Short Block Engine #10103AC870 - Crawford Performance
ZZ632/1000 Chevrolet Performance Big Block: GM Performance Motor
Big Block Crate Engine by Pace Performance Fuel Injected 502 HO 450 HP EFI GMP-19433157-F2X
IAG Performance / Crest CNC Stage X 2.5L Subaru Billet Aluminum Short Block For WRX, STI, Legacy GT and Forester XT. Built power output rating 1000+BHP.