Dart Block Sleeve - SB Chevy 4.125 ID x 5.625 Long Helmet Air System Blower Filter B&M’s founders identified the needs

B&M’s founders identified the needs of local performance enthusiasts and developed products to fill those needs

Case / Connectors / Pins / Pin Holsters

1989-1990 Chevrolet V1500 Suburban

We have been actively involved in racing for decades

375-inch crank pilot

Dart Block Sleeve - SB Chevy 4.125 ID x 5.625 Long Helmet Air System Blower Filter B&M’s founders identified the needsProduct Description: Cylinder Sleeve 4. 125 in Bore 5. 625 in Height 4. 310 in OD 9. 025 in Deck Iron Small 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