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Cast Iron Rocket Block, Standard Deck

$3,598.01

Cast Iron Rocket Block (Standard Deck With Wet Sump)
The Rocket Block was designed to be raced. GM Performance Parts has already done most of the precision machining for you, and The Rocket Block still retains a 0.245″ wall thickness when you take the bore out to 4.180″. That lets you go to some outrageous cubic inches (450+ cubes) from a small-block that makes sick power and stays together in competition.

– Precision CNC-machined (+/- 0.001″) cast iron competition Rocket Block
– 9.025″ deck (min 0.625″ thickness)
– 4-bolt SAE 8620 20° splayed main caps on center 3 mains (2-bolt steel front and rear mains)
– Camshaft raised .390″ to 4.912″
– Uses big block cam bearings (no small base circle cams here!)
– 3.986″ rough-finished extra-thick siamese bore
– 4.180″ max bore (min .225″ wall thickness)
– Standard 4.400″ bore spacing
– Can run up to 4.125″ stroker crankshaft for big power
– Oil pan rails are spread .400″ per side for extra stroke clearance (special oil pan required)
– Bottom of bores and oil pan rails may require notching with large strokes for connecting rod and counterweight clearance
– 350 main journal size
– Priority main wet sump oiling system (remote oil filter only)
– Two-piece crankshaft seal
– Dual starter mounts
– Bosses for side and front engine mounts
– Fuel pump mounting boss
– Tested to over 500 horsepower!

While supples last!

Due to world events we are working with our manufacturers every day to ship and receive parts. If the part you are looking for is time sensitive please give our team a call at 855-806-1147 before ordering to ensure it's availability.

Shipping is free, but there is a delivery fee for residential addresses.

Cast Iron Rocket Block (Standard Deck With Wet Sump)
The Rocket Block was designed to be raced. GM Performance Parts has already done most of the precision machining for you, and The Rocket Block still retains a 0.245″ wall thickness when you take the bore out to 4.180″. That lets you go to some outrageous cubic inches (450+ cubes) from a small-block that makes sick power and stays together in competition.

– Precision CNC-machined (+/- 0.001″) cast iron competition Rocket Block
– 9.025″ deck (min 0.625″ thickness)
– 4-bolt SAE 8620 20° splayed main caps on center 3 mains (2-bolt steel front and rear mains)
– Camshaft raised .390″ to 4.912″
– Uses big block cam bearings (no small base circle cams here!)
– 3.986″ rough-finished extra-thick siamese bore
– 4.180″ max bore (min .225″ wall thickness)
– Standard 4.400″ bore spacing
– Can run up to 4.125″ stroker crankshaft for big power
– Oil pan rails are spread .400″ per side for extra stroke clearance (special oil pan required)
– Bottom of bores and oil pan rails may require notching with large strokes for connecting rod and counterweight clearance
– 350 main journal size
– Priority main wet sump oiling system (remote oil filter only)
– Two-piece crankshaft seal
– Dual starter mounts
– Bosses for side and front engine mounts
– Fuel pump mounting boss
– Tested to over 500 horsepower!

While supples last!

Weight 225.5 lbs
Brand

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Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.