One-Piece Rear Main Seal Race Block (front) GM PERFORMANCE PARTS RACE ... BLOCKS Our race blocks take the guess work out of what block ... you need to make big horsepower that is competition tested ... offer you such a huge selection of race blocks that have been precision, CNC-machined ... with tighter tolerances than our Bowtie blocks before you even get them. These blocks ... to your GM Performance Parts race block! See chart on page 132 for complete ... . GM Performance Parts Race Block Technical Notes: These blocks are CNCd ... pins are blueprinted! Non-standard cam bearings required (see each block for details) ... allow machining for the use of larger bearings Extra thick main bearing bulkhead ... quality main studs SAE 8620 steel main bearing caps Billet wet sump rear main cap can ...
Rocket Block (front) Rocket Block (bottom) While Supplies Last! 22551788 ... Cast Iron Rocket Block (standard deck with wet sump) The ... Rocket Block was designed to be raced. GM ... machining for you, and The Rocket Block still retains a 0.245" wall thickness ... 0.001") cast iron competition Rocket Block 9.025" deck (min 0.625" thickness) ... Camshaft raised .390" to 4.912" Uses big block cam bearings (no small base ... spacing Can run up to 4.125" stroker crankshaft for big power Oil pan rails are ... (remote oil filter only) Two-piece crankshaft seal Dual starter mounts Bosses for ... 132 for complete specifications. Rocket Block (rear) CHEVY SMALL-BLOCK V-8 140 ...