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Big M Cylinder block Chevrolet/GM Gen. IV Big Block

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Availability: In stock

Excl. Tax: £2,711.50 Incl. Tax: £3,253.80

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Dart Big M Performance Cylinder block Chevrolet/GM V8 Big Block

Dart Cylinder Block

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  • Dart Cylinder Block


Performance Big M cast iron cylinder block (bare). Suitable for Chevrolet/GM V8 Gen. IV Big Block engines. Standard Main size, 9.800" Deck height, 4.500" Bore size, Steel caps, Semi-finished at 0.010".

Additional Information

Car brand Chevrolet / GM
Car type Big Block
Car version 348-572ci
Engine type BBC
Manufacturer Dart
Bore 4.500"
Stroke . . . N/A . . .
Article code 31263444
Product details Big M cast iron. 4-Bolt center & outer steel billet main caps. Uses standard two piece rear seal. Uses +0.300" tall Gen. VI style lifters. Scalloped outer water jacket walls improve coolant flow around the Cylinder barrels to equalize temperatures. Splayed outer bolts for extra strength. Crankshaft tunnel has clearance for a 4.500" stroke crank with steel rods without grinding. True priority main oil system lubricates the main bearings before the lifters. Our stepped main oil gallery increases the flow of oil to the crank at high rpm, and our front oil crossover eliminates internal oil leaks around the distributor shaft. Oil filter pad is drilled and tapped for an external oil pump. Lifter valley head stud bosses prevent blown head gaskets. Mechanical fuel pump boss, clutch linkage mounts, and side & front motor mounts simplify installation in any chassis. Dual oil pan bolt patterns fit standard and notched oil pans. Semi-finished at 0.010".

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Excl. Tax: £86.52 Incl. Tax: £103.82