Swift Rear Coil Spring - Bulletproof - 5.0" OD x 16" Tall - 150 lb. 20800MK The 304S HP-2 mufflers feature

The 304S HP-2 mufflers feature a ready-to-polish 304S outer shell

1991-1994 Chevrolet C3500HD

stainless steel mounting clamps

6-3/8 in OD Balancer

11/16-18 in Left Hand Female Thread

Swift Rear Coil Spring - Bulletproof - 5.0" OD x 16" Tall - 150 lb. 20800MK The 304S HP-2 mufflers featurePURPOSE BUILT FOR THOSE OF YOU PUTTING MORE STRESS ON A SPRING THAN HOW IS CONVENTIONALLY USED. WE SOUGHT AFTER A NEW APPROACH IN DEVELOPMENT FROM OUR REGULAR SUSPENSION SPRING. Swift Springs manufactures springs with differing rates for a variety of circle track racing applications. With options for both dirt and asphalt tracks, Swift has a wide range of coil spring formats, including coil over, dual rate, bump springs, and more. Swift Springs