Dart BB Chevy Main Cap SFI Socks low collar works perfectly with

low collar works perfectly with any seating angle and does not interfere with the seatback

500" spacer

1982-1991 Pontiac Firebird

Filler Bung

1969-1973 Chevrolet Nova

Dart BB Chevy Main Cap SFI Socks low collar works perfectly withProduct Description: Main Cap 4 Bolt Interior Ductile Iron Black Oxide 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 centers, and tested on Dartas