RHS Bare Block Engine 4.120" Bore 9.250 Deck Standard Main - 6-Bolt Mains 2-Part Epoxy 950" long Hi-Tech 5/16" diameter

950" long Hi-Tech 5/16" diameter pushrods handle the requirements of today's all-out race engines

Low cost boost retard (with optional MAP sensor) or 0-20selectable nitrous retardFAST is the leading developer of electronic fuel injection systems

Special Retention Bead on Hose Barb Retains Hose without Damaging Hose Inner Liner

1-3/4 in Long

Mounting Tabs

RHS Bare Block Engine 4.120" Bore 9.250 Deck Standard Main - 6-Bolt Mains 2-Part Epoxy 950" long Hi-Tech 5/16" diameterThis block has a 9. 240 deck height with a 4. 125 bore and a 5. 87 cylinder sleeve length. Cylinder walls are Siamese cast with press in cast iron sleeves. 12AN feeds for dry sumps. Aircraft quality A357 T6 aluminum. 6 Head Bolt Design. In recent years, LS engine technology has revolutionized the GM performance aftermarket. Gen IV engines have set a new standard for factory horsepower and torque. To meet the growing demand of today's high performance