Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
Speedway Motors Logo
America's Oldest Speed Shop ®


Canadian Leaf

Dynatech Header Bolts, 3/8 x 3/4 Inch, Pack/12

SAME DAY SHIPPING! Order within the next 5 hours 30 minutes and receive same day shipping

Material Type:
Overall Length:
Sold in Quantity:
Wrench Type:
Under Head Length:
Thread Pitch:
MFG. Part #:
Garage Sale:
Set of 12 bolts.
Dynatech® Header Bolts, 3/8 x 3/4 Inch, Pack/12
Dynatech® Header Bolts, 3/8 x 3/4 Inch, Pack/12

Click image to enlarge



Q & A

What's in the Box

Dynatech® has a wide variety of header bolts to fit your heads.

You may also be interested in:

Allen Head Header Bolts, 3/8 Inch-16 x 3/4 Inch Long
(Part #550916)

These bolts feature an Allen head type. They are perfect for headers and work well for other applications also.  Allen Head header bolts have 3/8"-16 X 3/4" long threads.

  • Overall Length: 1.12"
  • Under Head Length: 3/4"
  • Thread Pitch: 3/8"-16
  • Steel
  • Zinc
  • Wrench Type: Allen
  • Set of 12 bolts
Header Bolts, 3/8-16 x 3/4 Inch, Set/12
(Part #550915)

Standard bolts for headers for most makes of heads. Heat treated steel.

Mr Gasket 3420G Hex Socket Header Bolts
(Part #5503420G)
                        3/8-16" x 3/4" L. 12 per set. This bolt head incorporates a combination hex and socket design for quick, easy installation and removal. The compact bolt head and flange is ideal for use where space is minimal, typical on header flange. Black zinc bolts resist corrosion and provide a clean professional appearance.  Socket is included.
Dynatech Header Bolt 3/8 x 1 Inch, 12 Point, 12 Pack
(Part #3116020112)

Dynatech® 12 point header bolts for any type of heads.