Allstar Performance Bump Stop Cup - Single Spring - 2.000" OD - 1.160" ID - 0.400" Tall - 16 mm Thru Hole - Aluminum - Black Anodize - 1" Bump Spring (Set of 10) RS00400305 Designed with a full flow

Designed with a full flow radius transition from port opening to AN 37

64-68 Ford Mustang

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Gasket Seat

Allstar Performance Bump Stop Cup - Single Spring - 2.000" OD - 1.160" ID - 0.400" Tall - 16 mm Thru Hole - Aluminum - Black Anodize - 1" Bump Spring (Set of 10) RS00400305 Designed with a full flowLightweight bump spring cups are made from 6061 T6 aluminum and have a black anodized finish. Cups feature a bronze bushing, allowing the shock shaft to move freely during suspension travel. Cups have a 2" O. D. sized for Hypercoil and most Landrum bump springs. Two are required and should closely match bump spring I. D. size to appropriate bump spring cup step O. D. size from chart. 10pk. Specialty items for the Shop, Trailer and Track. The Allstar