ARP Main Bolt Kit Subaru BRZ 2013-2020 / Scion FR-S 2013-2016 Vehicle Model_GTI Constructed of 6061 aircraft-quality aluminum

Constructed of 6061 aircraft-quality aluminum for extreme durability

You also will need to use the GSC springs and retainers

These are direct fit

this is one of the best ways to restore driving feel and enhance performance

ARP Main Bolt Kit Subaru BRZ 2013-2020 / Scion FR-S 2013-2016 Vehicle Model_GTI Constructed of 6061 aircraft-quality aluminumPart #: 260 5001 ARP, the world leader in fastener technology has just released a new Pro Series main bolt kit manufactured from "Austenitic stainless steel" material FA20 engine. Includes a set of ten main bolts, six case bolts, ten parallel ground washers for the application and a 1 2 oz. pack of ARP Ultra Torque fastener assembly lubricant. ARP employs a special age hardening process prior to thread rolling and machining that greatly improves