Home

MR. GASKET Header Bolts 3/8-16x3/4'' Mini Hex-Head

MRG-3409

Designed for quick, easy installation of headers and heat-treated for extra strength. The special washer faced, smaller-than-standard hex head is ideal for tight spaces. These bolts are grade 5 with a 7/16`` hex head and a protective black finish.

CHF36.11
Tax included
Quantity

 

Security policy (edit with Customer reassurance module)

 

Delivery policy (edit with Customer reassurance module)

 

Return policy (edit with Customer reassurance module)

Description

- Fits AMC 290-401.

- Fits Chevy Small Block 262-400.

- Fits Chrysler Big Block 383-440 (does not fit 426 Hemi).

- Fits Pontiac 326-455.

- Fits Oldsmobile 330-455.

- Set includes 12x 3/8``-16 x ¾`` with a mini hex head.

Product Details

MRG-3409

Specific References

16 other products in the same category:

MR. GASKET Header Bolts 3/8-16x3/4'' Socket Head

When installing headers, your factory exhaust bolts will not work to attach the headers back to the motor. Those Mr. Gasket header bolts are designed for quick and easy installation. The bolts look good on all applications and have a black oxide coating that resists rust.

Price CHF28.11
More
In stock

THERMO TEC Snap Strap Kit

Thermo Tec snap straps are multi-purpose, high-temperature, stainless steel fasteners used to secure exhaust insulating wrap and more, with no tools needed. The straps have a narrow profile to fit tight spots, and can be cut to the exact length needed. Snap straps secure with easy-to-use, slide-through fasteners.

Price CHF62.70
More
In stock

THERMO TEC Thermo-Sleeve Protector

Using Thermo Tec Thermo Sleeve will provide your wires and hoses with protection from radiant heat. The aluminized sleeving reflects over 90 percent of heat, while the inner material is fireproof and resistant to oil. Combined, the high-temperature fabric and reflective foil skin provide the protection you need in today`s high-performance applications.

Price CHF38.92
More
In stock

THERMO TEC Thermo Sleeve Protector

Using Thermo Tec Thermo Sleeve will provide your wires and hoses with protection from radiant heat. The aluminized sleeving reflects over 90 percent of heat, while the inner material is fireproof and resistant to oil. Combined, the high-temperature fabric and reflective foil skin provide the protection you need in today`s high-performance applications.

Price CHF69.18
More
In stock

THERMO TEC Turbo Insulating Kit

Thermo Tec turbo insulating kits were designed to protect, improve performance, and eliminate turbo lag on turbochargers. These complete kits will contain the heat produced by a turbo and fit a wide variety of turbines. These custom cut-to-fit kits come with an excessive amount of material to cover many turbos, from the smallest automotive to heavy-duty...

Price CHF60.10
More
In stock

THERMO TEC Snap Strap Kit

Thermo Tec snap strap kits are multi-purpose, high-temperature, stainless steel fasteners used to secure exhaust insulating wrap and more, with no tools needed. The straps have a narrow profile to fit tight spots, and are pre-cut to fit most primary tube and collector diameters.

Price CHF79.99
More
In stock

THERMO TEC Exhaust Wrap Carbon Fiber

By wrapping your headers and exhaust pipe with Thermo Tec exhaust wrap, you keep exhaust heat in your pipes where it belongs. This reduces underhood temperatures up to 70 percent and cools the incoming air/fuel mixture to increase horsepower and fuel efficiency. Not only that, but the reduced heat also extends the life of electronic components. Exhaust...

Price CHF65.83
More
In stock

THERMO TEC Exhaust Wrap Natural

By wrapping your headers and exhaust pipe with Thermo Tec exhaust wrap, you keep exhaust heat in your pipes where it belongs. This reduces underhood temperatures up to 70 percent and cools the incoming air/fuel mixture to increase horsepower and fuel efficiency. Not only that, but the reduced heat also extends the life of electronic components. Exhaust...

Price CHF62.70
More
In stock

MR. GASKET Header Bolts 5/16-18x3/4''

Save time, work & solve the impossible tightening problems of some header installations with socket head bolts. They help to eliminate improper gasket seal and are easy to install when space is tight.

Price CHF24.65
More
In stock

THERMO TEC Heat Sleeve

Thermo Tec silicone-coated fiberglass fire sleeves are designed to protect wires, cables and hoses from high-temperature exposure, liquid spills, and occasional exposure to flames. The high-quality sleeving is made from braided fiberglass and coated with a compound silicone rubber. These heat sleeves are capable of continuous protection to 500 degrees...

Price CHF56.21
More
In stock

THERMO TEC Exhaust Wrap Black

By wrapping your headers and exhaust pipe with Thermo Tec exhaust wrap, you keep exhaust heat in your pipes where it belongs. This reduces underhood temperatures up to 70 percent and cools the incoming air/fuel mixture to increase horsepower and fuel efficiency. Not only that, but the reduced heat also extends the life of electronic components. Exhaust...

Price CHF19.13
More
In stock

THERMO TEC Exhaust Wrap Black

By wrapping your headers and exhaust pipe with Thermo Tec exhaust wrap, you keep exhaust heat in your pipes where it belongs. This reduces underhood temperatures up to 70 percent and cools the incoming air/fuel mixture to increase horsepower and fuel efficiency. Not only that, but the reduced heat also extends the life of electronic components. Exhaust...

Price CHF121.07
More
In stock

THERMO TEC Spark Plug Wire Heat Shield Sleeves

Thermo Tec spark plug wire heat shield sleeves feature aluminized outer surfaces that reflect 90 percent of radiant heat, with formulated inside silica based fabrics that prevent conductive heat from penetrating. The ultimate protection for spark plug wires and boots. These sleeves block conductive heat and reflect 90 percent of radiant heat up to 2000...

Price CHF32.97
More
In stock

THERMO TEC Heat Sleeve

Thermo Tec silicone-coated fiberglass fire sleeves are designed to protect wires, cables and hoses from high-temperature exposure, liquid spills, and occasional exposure to flames. The high-quality sleeving is made from braided fiberglass and coated with a compound silicone rubber. These heat sleeves are capable of continuous protection to 500 degrees...

Price CHF56.21
More
In stock

THERMO TEC Snap Strap Kit

Thermo Tec snap strap kits are multi-purpose, high-temperature, stainless steel fasteners used to secure exhaust insulating wrap and more, with no tools needed. The straps have a narrow profile to fit tight spots, and are pre-cut to fit most primary tube and collector diameters.

Price CHF49.40
More
In stock