Simpson Safety - Simpson Racing SD1 Helmet - XL - Carbon 25 in H - Dual

25 in H - Dual Pass - Drivers Side Inlet - Drivers Side Outlet - Aluminum - Natural - Drag Racing - Each

Valve Cover - Slant-Edge - Tall - Baffled - Breather Hole - Recessed Chevrolet Bowtie Logo - Aluminum - Metallic Gray - Small Block Chevy - Pair

Ballast - Clamp-On - 10 lb - Natural - Each

This creates a cleaner burn for the incoming fuel and air resulting in an increased and broader torque curve

Camshaft Degree Bushing - 2 Degree - Steel - Mopar B / RB-Series / Chevy V8 / 426 Hemi - Set of 5

Simpson Safety - Simpson Racing SD1 Helmet - XL - Carbon 25 in H - DualSimpson's, lightest and most aerodynamic helmet, the SD1 is a premium helmet at a reasonable price. The helmet is tailored towards open wheel dirt track racing with no front vents and a front chin spoiler. NOTE: This helmet is Snell SA2020 certified and is broadly accepted by race organizing bodies and tracks through 2030. Always verify safety rules with your sanctioning body. The Snell Foundation recommends replacement after five (5) years from the