J.W. Performance Rear Support GM Powerglide Billet Aluminum G Force Performance Products 980 in Stroke

980 in Stroke

2015-2018 GMC Sierra 3500 HD

Note 1 - some Corvette applications may require additional alternator mounting brackets

such as dirt and pavement racing

168 Tooth Flywheel

J.W. Performance Rear Support GM Powerglide Billet Aluminum G Force Performance Products 980 in StrokeProduct Description: Governor Support Billet Needle Bearing Hardware Included Aluminum Gold Anodized Powerglide J. W. Performance Transmissions is a manufacturer of automatic Transmissions and component parts for circle track, drag racers, off road racers, street and strip enthusiasts. J. W. Performance Transmissions, Inc. began its operation in 1976 with one goal in mind: To provide the highest quality product and customer service in the business.