J.W. Performance Rear Support GM Powerglide Billet Aluminum YA0807.2 Bell became a leader in

Bell became a leader in safety equipment for auto racing

Built in the USA

Hurst has been attached to some of America’s most legendary vehicles

Replacement for HP 340 and 360 4 BBL motors

PRO CLAMP connectors should not be used on brake lines

J.W. Performance Rear Support GM Powerglide Billet Aluminum YA0807.2 Bell became a leader inProduct 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.