ARP 621-2500 SAE Bolt Kit 1/4-20 x 2.500 hex SS bolts ymm_16 000˝ Grip Length n/a˝ Thread

000˝ Grip Length n/a˝ Thread Diameter-Pitch 5/16-18 Grip Diameter 5/16˝ Wrenching 3/8˝ Head Height 0

Hardened parallel-ground washers are included with each kit

Specifications Socket Size(s) 5/16 hex UHL (Qty: 16) 0

The mounting kit is mandatory for install AKRAPOVIC WI-BM/CA/1/G Rear Wing (Carbon) for BMW M3 (G80) / M4 (G82)

Fits Following Engines:  ACURA B18A1

ARP 621-2500 SAE Bolt Kit 1/4-20 x 2.500 hex SS bolts ymm_16 000˝ Grip Length n/a˝ ThreadSpecifications Socket Size(s) 5 16 hex UHL 2. 500 Thread Length 1. 000 Grip Length 1. 500 Thread Diameter Pitch 1 4 20 Grip Diameter 1 4 Wrenching 5 16 Head Height 0. 255 Collar Diameter 0. 515