Dart Big M Bare Block - 4.500" Bore - 10.200 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Big Block Chevy RS003C0908 strongest beadlock wheels on the

strongest beadlock wheels on the market

9/16 in 36 Spline to 3/4 in Smooth

Adjustable pull-up

3 or 5 in Coil-Over Springs

1988-1989 GMC P2500

Dart Big M Bare Block - 4.500" Bore - 10.200 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Big Block Chevy RS003C0908 strongest beadlock wheels on theProduct Description: Engine Big M Bare Block 4. 500 in Bore 10. 200 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