Fits GM TH350, TH350c, Powerglide, Muncie M-20, and Aisin AY6B&M Racing & Performance brings you this billet aluminum speedometer port block off plug that fits GM TH350, TH350c, Powerglide, Muncie M 20, and Aisin AY6 transmissions. This plug is used to block the mechanical speedometer gear port when upgrading to an electronic speedometer and includes a replaceable Buna N rubber o ring. It features a black Mil Spec anodized finish for long lasting good looks, even in harsh conditions. Comes with hardware and

This bolt kit contains all parts necessary to replace the factory head bolts

These springs will drop your 1967-1972 GM A-body 2-inch

caused by excessive bushing deflection

Designed to be used on engines with a 20mm x 1

Installation time is 3-4 hours

the runners match the "flat floor" entry of the latest 23-degree heads

For Garrett GT1548

Bulkhead Nut sold separately

800" long Hi-Tech 3/8" diameter pushrods are 37% stiffer than

Mini 07 51 0 143 829

BMW 07 51 0 037 633

and nitrous applications