ARP Main Stud Kit 4-Bolt For 1996-2001 Ford Mustang SVT Cobra 4.6L DOHC wrx 8V): SSC1 Sport: 1

8V): SSC1 Sport: 1

The factory Cold Side on the L5p is a two piece plastic design

1985 Toyota MR2 GT 1

With a class-leading flow rate

ARP Main Stud Kit 4-Bolt For 1996-2001 Ford Mustang SVT Cobra 4.6L DOHC wrx 8V): SSC1 Sport: 1If you're building a high performance 4. 6L 4V Ford Modular engine, ARP's 4 Bolt Main Stud Kit is a must. Factory fasteners often fail under high RPM and horsepower conditionsespecially in engines pushing past 500HP. ARP studs solve this by preventing main cap walk, fretting, and oil pump failuresissues weve seen countless times in engines still running OEM bolts. These studs are built for serious power, and we wouldn't assemble a performance build