Upgrade your engine's performance with our 12 Point Head Stud Nuts and Washers, ideal for LS VTEC swap applications, including B20B, B16, and GSR. This set includes 10 high-quality nuts and washers tailored for k20 (A2 and A3) and B-series motors (B16, B18, B18C). Crafted by Trc, these new fasteners ensure a secure fit and longevity. Perfect for your next performance rebuild or repair, these nuts and washers are in stock and ready to ship, providing you with a reliable solution for enhanced engine assembly. Please note: This product contains chemicals known to the State of California to cause cancer and reproductive harm.