Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
Viscosity typical of 10W-30
Ultra Seal' Ultra-20 material swells to a controlled thickness for a tight seal
5" ID x 8" Tall -1200 lb
A shorter torque arm improves weight transfer on acceleration
FE-Series 1958-77
Dart Big M Engine Block - Bare Block - 4.600 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213644 ENDURO-GMR2 Viscosity typical of 10W-30Product Description: Engine Big M Bare Block 4. 600 in Bore 9. 800 Deck 4 Bolt Main 2 Piece Seal Iron Big Block Chevy Sold Individually Since 1981, Dart Machinery has become the acknowledged leader in producing race winning components. Dart Machinery aluminum and cast iron engine blocks are designed to meet the specialized needs of racers and performance enthusiasts. Dart components are developed in house, manufactured on Dartas own CNC machining
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