Compatible with all Chevrolet LS and LT Series V8 Engines 1997-Current (Gen 3/4/5 small block chevy engines) These are High Grade Flange Bolts Zinc Coated for Corrosion Protection. We are an AS9100D and ISO 9001:2015 Certified Manufacturer that produces aerospace parts for The Boeing Aircraft Company and The US Military. Parts we produce fly at 30,000 feet where failure is not an option. We put the same quality into every part we produce. When you purchase Z Whip Parts you will always get the highest quality for your vehicle that you rightfully deserve Meets or Exceeds Industry Standard ASME / ANSI Specifications Set Of 8 Engine to Transmission Bell Housing Bolts Compatible with Chevrolet LS & LT Series Engines 1997-Current & TH350 700R4 4L60E 4L80E T56 TH400 Powerglide Automatic and Manual Transmissions. LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B Comes with 8 M10x35mm Flange Bolts with Zinc Coating. When you purchase Z Whip Parts you will always get the highest quality for your vehicle that you rightfully deserve. We are an AS9100D and ISO 9001:2015 Certified Manufacturer that produces aerospace parts for The Boeing Aircraft Company and The US Military. Parts we produce fly at 30,000 feet where failure is not an option. We put the same quality into every part we produce.