ARP 12-Point Stainless Steel 3/8 x 1.670 Header Stud Kit - Ford
ARP 8740 alloy chrome moly steel high performance header stud kit. They are rated at 180,000 psi, many times stronger than Grade 8 fasteners. These premium grade studs are manufactured to exact tolerances, heat-treated, and...

ARP 12-Point Stainless Steel 3/8 x 1.670 Header Stud Kit - Ford
Classic $172.99 set
ARP Hex Stainless Steel 3/8 x 1.670 Header Stud Kit - Ford
ARP 8740 alloy chrome moly steel high performance header stud kit. They are rated at 180,000 psi, many times stronger than Grade 8 fasteners. These premium grade studs are manufactured to exact tolerances, heat-treated, and...
PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 1" Long (Set of 12)
PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 1" Long (Set of 12)
Classic $34.99 set
PROFORM Wedge-Locking Header Bolts M8 Thread Diameter - 1.181" Long (Set of 12)
These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers bite into and grab the bottom of the bolt head and the top surface of the header. After...

PROFORM Wedge-Locking Header Bolts M8 Thread Diameter - 1.181" Long (Set of 12)
Classic $34.99 set
PROFORM Wedge-Locking Header Bolts M8 Thread Diameter -.984" Long (Set of 12)
PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Wedge-Locking Header Bolts M8 Thread Diameter -.984" Long (Set of 12)
Classic $34.99 set
PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 3/4" Long (Set of 16)
PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 3/4" Long (Set of 16)
Classic $37.99 set
PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 1" Long (Set of 16)
PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 1" Long (Set of 16)
Classic $37.99 set
PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 3/4" Long (Set of 12)
PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 3/4" Long (Set of 12)
Classic $34.99 set
PROFORM Wedge-Locking Collector Bolts & Nuts 3/8"-16 Thread Diameter - 1" Long (Set of 6)
PROFORM Grade 8 (12.9 steel) exhaust collector bolts and nuts are designed to keep bolts from getting loose. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently...

PROFORM Wedge-Locking Collector Bolts & Nuts 3/8"-16 Thread Diameter - 1" Long (Set of 6)
Classic $26.99 set