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:

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 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 CHF47.56
More
In stock

MR. GASKET Headlock Locking Header Bolts

These bolts completely take the hassle out of header installation. They keep you from burning your hands getting the bolts installed. The gold-colored thread-lock patch prevents bolts from backing out or vibrating loose. 24 equally spaced serrations lock onto the header or exhaust manifold flange.

Price CHF58.59
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 Muffler & Cat Heat Shield

Thermo Tec muffler/cat heat shields block the heat. Mufflers and catalytic converters can transfer unwanted heat to your vehicle`s interior. Install this highly reflective heat shield above your hot exhaust to reflect radiant heat away from your floorboard. The woven silica fabric is easily trimmed to size, and the flexible Mylar finish is easy cleaned....

Price CHF125.61
More
In stock

THERMO TEC Heat Tape

Thermo-Shield aluminized adhesive-backed tape is great for wrapping the hoses and wires that you don`t want to remove. It can also be wrapped around odd-shaped components for lasting heat protection. Wrap it around a fuel line and say goodbye to vapor lock. It reflects radiant heat up to 2000 degrees Fahrenheit.

Price CHF103.78
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 Exhaust Jacket Kit

Wrap your headers with Thermo Tec`s exhaust jackets and cut your underhood temperatures by up to 70 percent. And as we all know, a cooler engine compartment can give you extra horsepower. The jackets are split down one side, wrap them around your header tubes, cut them to fit with ordinary household scissors, and then secure them with the included crimp...

Price CHF174.91
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 CHF49.73
More
In stock

MR. GASKET Headlock Locking Header Bolts

These bolts completely take the hassle out of header installation. They keep you from burning your hands getting the bolts installed. The gold-colored thread-lock patch prevents bolts from backing out or vibrating loose. 24 equally spaced serrations lock onto the header or exhaust manifold flange.

Price CHF70.59
More
In stock

THERMO TEC Copper Header Wrap

Thermo Tec Generation II copper header wraps are designed to improve heat resistance by up to 30 percent over current technology, by utilizing a new proprietary coating developed by Thermo Tec. They create more horsepower and reduce underhood temperatures, increase exhaust scavenging, withstand continuous heat up to 2000 degrees Fahrenheit, and contain no...

Price CHF58.37
More
In stock

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

These are high quality steel bolts that have a black oxide coating to resist rust and work well where space is minimal (like in most header applications), the smaller allen head allows you to get that smaller allen wrench on the bolt to tighten it.

Price CHF45.40
More
In stock