Compatible with 1964-67 Novas with Big Block and Small Block Chevys and manual transmissions SFI 6.1 Certified; Lakewood safety bellhousing s are designed for maximum performance and durability. They are laser cut to improve speed and accuracy of manufacturing. They are roto-brated after welding and hydro-formed to relieve any stress created during manufacturing. They are S.F.I. 6.1 certified. Durable powdercoated finish for years of corrosion free service. This 6.45 in deep bellhousing is designed to fit the 1964 to 1967 Nova chassis with mechanical clutch linkage. Fits 168 tooth flywheel with 11 in clutch. Fits Muncie BWT10 and Tremec TKO transmission. Block plate and Grade 8 hardware included. Other applications available.;