ARP Pro Series Flexplate Bolt Kit Suitable for all VT VX VY VZ VE VF Holden Commodore & HSV Fitted with LS1 LS2 LS3 L76 L77 L98 5.7lt, 6lt, 6.2lt V8. ARP is the undisputed world leader in automotive fasteners. They manufacture every fastener, bolt and nut that the world’s top engine and chassis builders rely on in house. ARP engineers ensure that every piece will outperform any other fastener on the market today. That’s why so many top engine builders rely on ARP racing products to hold their engines together. These premium-grade ARP Pro Series flexplate bolts are far superior to OEM hardware. Forged from aerospace alloy and heat-treated prior to thread rolling and machining, they feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved register. ARP Flexplate Bolt Set suitable for VT-VF Holden Commodore & HSV V8. Rear Main Seal Style: 1-piece. Fastener Finish: Black oxide. Fastener Head Style: 12-point. Thread Size: 11mm x 1.5. Underhead Length (in): 0.880 in. Fastener Tensile Strength (psi): 200,000 psi. Suitable for all VT VX VY VZ VE VF Holden Commodore & HSV Fitted with LS1 LS2 LS3 L76 L77 L98 5.7L 6L 6.2L V8 Engines. ARP flexplate bolts are designed to be installed without washers.