ARP Fasteners

1" spacer, 5/16" diameter, 4 pieces

The best way to make sure that carburetors stay perfectly sealed to the intake manifold is through the use of ARP's carburetor studs, which features J-form threads to resist loosening from vibration. They're offered in a variety of heights to accommodate most any combination of carburetor and spacer.

Stainless Steel Stud Kit, 1" spacer, 4 pieces

Stainless Steel Carburetor Studs, designed to be used with 1 inch thick spacer.

1/2 ID 7/8 OD chamfer black washer

• 1/2" Inside Dia.
• 7/8" Outside dia.
• .120" Thickness

A true high performance washer from . All are constructed from premium chrome moly and are parallel-ground, hardened, and finished in black oxide.

1/2 carburetor spacer stud kit 2.225 OAL

Carburetor Stud Kits, 1/2" Spacer, 5/16" x 2.225 O.A.L.

Carburetors Stay Perfectly Sealed to the Intake Manifold.
These stud kits feature the J-Form threads to resist loosening and vibration. Available in 8740 chrome moly black oxide and stainless steel. All carb stud kits come with hex nuts and washers.

Replacement Nuts, Black Oxide 12-Point Nut

• 1/2"-20
• 9/16" Socket Size

Made of premium aerospace-grade materials, Replacement Nuts offer 180,000 psi tensile strength and meet the highest quality control standards. Nuts are 8740 chromoly steel with black oxide finish or polished stainless steel.

Replacement Nuts – Black Oxide

• 1/2"-20
• 3/4" Socket Size

Made of premium aerospace-grade materials, Replacement Nuts offer 180,000 psi tensile strength and meet the highest quality control standards. Nuts are 8740 chromoly steel with black oxide finish or polished stainless steel.

3 carburetor spacer stud kit 4.700 OAL

Carburetor Stud Kits, 3" Spacer, 5/16" x 4.700” O.A.L.

Carburetors Stay Perfectly Sealed to the Intake Manifold.
These stud kits feature the J-Form threads to resist loosening and vibration. Available in 8740 chrome moly black oxide and stainless steel. All carb stud kits come with hex nuts and washers.

3/8 ID 3/4 OD black washer

• 3/8" Inside Dia.
• 3/4" Outside dia.
• .120" Thickness

A true high performance washer from . All are constructed from premium chrome moly and are parallel-ground, hardened, and finished in black oxide.

Header Bolt Kit, SB Chevy, 12-point

• 12-point
• 3/8" x .750"
• ARP manufactures premium grade bolt kits to facilitate installation of exhaust headers in both stainless steel or black oxide (8740 chrome moly steel). The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application. What's more, the compact 12-point nut version lets you easily slip a socket close to the pipe. Each  bolt kit includes the specific number of parts for your application, plus premium-quality washers and hex or 12-point nuts, as required. Both the black oxide finished chrome moly and stainless steel are rated at 170,000 psi. Specially drilled ''NASCAR'' models available for those who wish to safety wire their header bolts to prevent loosening.

Header Bolt Kit, Ford V8, 12-pt SS

• Big Block Ford
• 12-point
• 3/8" x .750"
• Stainless Steel
• 16/pkg

ARP Header Bolt Kit, Ford V8, 12-pt SS manufactures a variety of premium header bolts. Rated at 170,000 psi tensile strength.

Header Bolt Kit, SB Chevy

• Hex Head
• 3/8" x .750"
• ARP manufactures premium grade bolt kits to facilitate installation of exhaust headers in both stainless steel or black oxide (8740 chrome moly steel). The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application. What's more, the compact 12-point nut version lets you easily slip a socket close to the pipe. Each  bolt kit includes the specific number of parts for your application, plus premium-quality washers and hex or 12-point nuts, as required. Both the black oxide finished chrome moly and stainless steel are rated at 170,000 psi. Specially drilled ''NASCAR'' models available for those who wish to safety wire their header bolts to prevent loosening.

Header Bolt Kit, Ford V8 and Big Block Chevy, 12-pt SS

• Big Block Ford, and Big Block Chevy
• Hex
• 3/8" x .750"
• Stainless Steel
• 16/pkg

ARP Header Bolt Kit, Ford V8, 12-pt SS manufactures a variety of premium header bolts. Rated at 170,000 psi tensile strength.

Stainless Steel 12 Point Universal Header Bolt Kit with 5/16 Head Size - 16 Bolts

These all stainless steel header bolts are 3/8-16 x 1" long. They are beautifully polished to accent any header system.

Stainless Steel 6 Point Header Bolt Kit with 5/16 Head Size

These all stainless steel header bolts are 3/8-16 x 1" long. They are beautifully polished to accent any header system.

Replacement Nuts, Black Oxide 12-Point Nut

• 3/8"-24
• 7/16" Socket Size

Made of premium aerospace-grade materials, Replacement Nuts offer 180,000 psi tensile strength and meet the highest quality control standards. Nuts are 8740 chromoly steel with black oxide finish or polished stainless steel.

Replacement Nuts – Black Oxide

• 3/8"-24
• 9/16" Socket Size

Made of premium aerospace-grade materials, Replacement Nuts offer 180,000 psi tensile strength and meet the highest quality control standards. Nuts are 8740 chromoly steel with black oxide finish or polished stainless steel.

7/16 ID 3/4 OD black washer

• 7/16" Inside Dia.
• 3/4" Outside dia.
• .120" Thickness

A true high performance washer from . All are constructed from premium chrome moly and are parallel-ground, hardened, and finished in black oxide.

7/16-20 12pt nut kit

• Universal
• 7/16"-20
• 12-point Nut

These are undeniably the strongest, most reliable OEM-replacement rod bolts available! Forged from 8740 chrome moly, you are guaranteed maximum durability, especially when combined with 's innovative manufacturing technology. Choose from new Wave-Loc or standard knurled design. 190,000 psi.

Replacement Nuts – Black Oxide

• 7/16"-20
• 5/8" Socket Size

Made of premium aerospace-grade materials, Replacement Nuts offer 180,000 psi tensile strength and meet the highest quality control standards. Nuts are 8740 chromoly steel with black oxide finish or polished stainless steel.

All Ford, except 351C Drive, balancer bolt kit

• 289-460 Ford
• 5/8"-18

This is a special version of 's rugged 200,000 psi damper bolt that can accept a standard 1/2'' drive ratchet or breaker bar to facilitate rotating the crank assembly. Made by from heat-treated 8740 chrome moly with heavy-duty black oxide finish.