Engines, Bare Blocks - 4.125 in. Cylinder Bore Diameter - 4-bolt Main Bolt Style - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ SPC Engine Blocks SUM-150202

Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ SPC Engine Blocks SUM-150201

Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 400 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31162211

Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31162211

Engine Block, Cast Iron, 400 Mains, 4.115 in. Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31162211

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Dart SHP Special High Performance Small Block Ford Cast Iron Bare Blocks 31375235

Engine Block, Cast Iron , 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Main Seal, Ford 351, Small Block, Each

Part Number: DRT-31375235

5.0 out of 5 stars ( 2 )

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Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31161211

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Summit Racing™ SPC Engine Blocks SUM-150204

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Ford Performance Parts Boss 351 C.I.D. Engine Blocks M-6010-BOSS35195

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4.0 out of 5 stars ( 1 )

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