Swiftune has designed and developed these F1 Spec Main Studs to compliment their Steel Main Cap sets. They help to eliminate main cap "float" at high RPM and are used in all Swiftune Championship winning engines. Manufactured in EN36 steel with rolled threads for maximum strength, simply the best quality available. This set includes: 6 x Main Studs 2 x Short Studs for 4 Bolt Main Caps 8 x ARP Nuts Please Note - Only suits Swiftune Steel Main Caps for 1300/A Blocks.
