ARP 154-5403 Main Stud Kit for SB FORD 351W 2-bolt ymm_45 Lightweight construction

Lightweight construction

Featuring a completely new design compared to the factory diffuser

2 LSU sensor used with AEM’s 30-4100 Wideband UEGO Controller Gauge

Precision-cut gear teeth ensure no premature wearing of the cam gear's belt surface and AEM's anodizing on the adjustable cam gear's teeth is lab-test proven as the hardest anodizing process on the market

ARP 154-5403 Main Stud Kit for SB FORD 351W 2-bolt ymm_45 Lightweight constructionSpecifications Socket Size(s) 3 4 hex, 3 16 Allen Material: 8740 Chromoly Kit Type: Stud Main Bolt Style: 2 Bolt Finish: Black Quantity: Kit Kit Instructions Supported Vehicles: Fits Following Engines: 289 CID Ford Small Block V8 Fits Following Engines: 351M Ford Small Block V8 Fits Following Engines: 400 CID Ford Small Block V8 Fits Following Engines: 5. 4L Ford Modular V8 Fits Following Engines: 260 CID Ford Small Block V8 Fits Following Engines: 4.