ARP 740-4250 SAE Bolt Kit 1/4-28 x 4.250 12pt black oxide bolts ymm_45 Astra 2005-2006

Astra 2005-2006

SCHEMATIC NEW VERSION

each component is precisely formed to ensure optimal integration and performance

ARP Ultra-Torque fastener assembly lubricant has been specifically designed to reduce tension pre-load scatter and eliminate the need to cycle high performance engine fasteners before final installation

Return Attachment - Female Threads

ARP 740-4250 SAE Bolt Kit 1/4-28 x 4.250 12pt black oxide bolts ymm_45 Astra 2005-2006Specifications Socket Size(s) 5 16 12pt UHL 4. 250 Thread Length 1. 000 Grip Length 3. 250 Thread Diameter Pitch 1 4 28 Grip Diameter 1 4 Wrenching 5 16 Head Height 0. 255 Collar Diameter 0. 515