TCI SB Ford 28oz External Balance SFI Flexplate 157 Tooth MGZK When engines are equipped with

When engines are equipped with conventional Hydraulic lifters

a patented pressed-in cover plate eliminates excessive play and allows for tighter tolerances

Each spring is designed with the correct pitch and height ratio to insure consistent rate throughout the entire cycle

Swivel Coupler Seal Housing

Chevrolet: Silverado 3500 HD 20 - 22 6

TCI SB Ford 28oz External Balance SFI Flexplate 157 Tooth MGZK When engines are equipped withFord Engine Flexplate; 28 Oz External Balance; 10. 5" Pattern. This forged flexplate is for 289, 302, 351W, 351C, 351M and 400M engines. SFI 29. 1 approved and 28 Oz externally balanced. Features a 10. 5" Bolt Pattern and 157 Tooth Count. TCI stamped flexplates for Ford and Chevy applications are . 035" thicker than stock, and the starter ring is welded to both sides of the flywheel for additional strength. Constructed from a high tensile strength