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Developed for Holley by Improved Racing
660 in Valves - 204 cc Intake - 87 cc Chamber - 1
Spindle - Stock Pin Height - Passenger Side - Steering Arm / Caliper Bracket Included - Forged Steel - Natural - GM Metric - Each
The barrier protection of the BLACK ANODIZED finish also offers up a modern tech look
This Sleeving simply slides over the spark plug boot or other connection and will shrink tightly around it for a secure connection
Simpson Safety - Simpson Racing SD1 Helmet - M - Carbon Developed for Holley by ImprovedSimpson'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