15 Crate Engine Quick Reference Chart CHEVY ... -BLOCK V-8 CHEVY BIG-BLOCK V-8 RPO, GM V-6 RPO, CADILLAC NORTHSTAR V-8 RPO, ... GM ECOTEC FOUR CYLINDER Part Number ... 26 12499711 350 HO Turn-Key with Iron Vortec Heads 350 cu in 330 380 30 12496968 350 ... HO Deluxe with Iron Vortec Heads 350 cu in 330 380 32 12486041 350 ... HO Base- with Iron Vortec Heads 350 cu in 330 380 32 12499712 ZZ4 ... , 44 12499120 Ram Jet 350 PFI with Iron Vortec Heads 350 cu in 350 400 38 12499710 ... Fast Burn 385 Turn-Key with Aluminum Vortec Heads 350 cu in 385 385 42 12496769 ... Fast Burn 385 Base with Aluminum Vortec Heads 350 cu in 385 385 44 12499101 HT ... Circle Track 350/400 350 cu in 400 400 60 Part Number Description Engine Size HP ...
Cast Iron Cylinder Head A Cast Iron Vortec Cylinder Head (exhaust) B Cast Iron ... Vortec Cylinder Head (intake) B 144 Cast Iron ... Vortec Cylinder Head (combustion chamber) B ... the heads that came standard on most GM V-8 small-block engines from 1987-newer ... that you have come to expect from GM. Service Replacement Head Technical ... iron cylinder head services 350/290 hp crate engine as well as Goodwrench base 350 ... Valve Locks 12564852 Exhaust Seals VORTEC CYLINDER HEADS Americas favorite high ... power gains at an affordable price. The Vortec head significantly outflows our non- ... Vortec service replacement head and offers a ... except for the LT1/LT4 and LS Family of engines. Take your small-block to the 350 ... horsepower level with a set of Vortec cylinder heads. These heads require ...