Header Bolts, 12-Point Head, 30mm UHL, 3/8 in. Wrench, Steel, Black Oxide, Chevy, LS Engine, Set of 12

Part Number: ARP-134-1202

5.0 out of 5 stars ( 45 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Header Bolts, Hex Head, 30mm UHL, 10mm Wrench, 8740 Chromoly, Black Oxide, Chevy, LS, Set of 12

Part Number: ARP-134-1102

5.0 out of 5 stars ( 32 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Header Studs, 12-Point Nuts, Stainless Steel, Polished, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12

Part Number: ARP-434-1301

4.8 out of 5 stars ( 25 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Header Bolts, 12-Point Head, 30mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

Part Number: ARP-434-1202

4.38 out of 5 stars ( 32 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Header Bolts, Hex Head, 1.181 in. UHL, 10mm Wrench, Stainless Steel, Polished, Chevy, LS, Set of 12

Part Number: ARP-434-1102

4.76 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Header Bolts, 12-Point Head, 20mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

Part Number: ARP-434-1201

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Header Bolts, Hex Head, 20mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

Part Number: ARP-434-1101

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Header Bolts, Hex Head, 30mm UHL, 3/8 in. Wrench, Stainless Steel, Black, Chevy, LS Engine, Set of 12

Part Number: SUM-910232

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air