19434240 - Chevrolet Performance 502 Gen VI Block - Revised Version With Fuel Pump Provision & Clutch Bosses

Revised 502 Gen VI Bare BlockNew casting incorporating the best designs of Mark IV and Gen VIProduction type cast iron 4 bolt main blockImproved main bearing bulkheads - Bowtie block style bulkheadClearanced for bigger strokes - up to 4.25"4.466" finished bore4.500" max boreSiamese boresFuel pump provision has been added to this blockRevised water jackets for Mark IV or Gen VI headsRevised oiling to allow for bigger cam bearings / cam liftBolt boss added to valley for use with dummy oil pump drive (Like 8.1L)Additional clearance added in front cover are for roller timing setsAdditional oil pressure port added to front of blockRacing style oil filter cast feature with added oil pressure portTwo bosses added for manual transmission clutch pivot (A, B, F, X car boss & '63- 82' Corvette boss)Additional material added around lifter bores9.800" Deck HeightBare weight 269 Lbs.