This set of coil spring insulators are made in long lasting polyurethane and provided in pair sets for standard dia US GM /Ford coil springs.
# 6108 Size
ID: 3 3/4"
OD: 5 13/16"
Coil Track ID: 4 1/4"
Ball Joint Boot: 1970-92 GM Various (pr)
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Disc Brake Kit: Complete 67-9 Camaro & Firebird - Stock Height
Rear Sway Bar bushings: 86-91 RX7
Ball Joint Dust boot Set 63-81 various GM
Hilux 4wd Cab Body Mount Kit
Rear Strut Rod Bushing: 84-87 Set: 84-87 Corvette
Link Kit: Various Chev Front kits
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Master Kit: 67-69 With Mono rear Springs