
MR GASKETPART NUMBER: 720-3420G
Hex/Socket Head Header Bolts 3/8" -16 x 3/4" Long
$1189
1 left in stockStandard
Hex/Socket Head Header Bolts3/8''-16 x 3/4'' Long 12/pkg
MR GASKET 3420G Features:
When installing headers you will need header bolts, factory exhaust manifold bolts won't work. These Mr. Gasket Header Bolts are Grade 5 for strength, black oxide coated, and have a hex head that is ideal for use where space is minimal - your typical header flanges. Ever had a set of headers where a socket just seemed it wouldn't fit? These bolts also have a socket head or Allen key drive in the center for just that problem.Sold as a set of 12Fits: AMC 290-401Chevrolet Small Block 262-400Chrysler Big Block 383-440 (Does not Fit 426 Hemi)Pontiac 326-455Oldsmobile 330-455- Made From High Strength Steel
- Corrosion Resistant Black Coating
- Has Both Socket And Hex Heads For Ease Of Use
- 12 per Package
Part TypeHeader Bolt
BrandMR GASKET
Package Height1.3
Package Width4.2
Package Length6.2
Weight0.54 PG
Part CategoryPerformance Parts
Thread Size (In.)3/8-16
ColorBlack
Underhead Length0.75 in (19.1 mm)
QuantitySold as a set of 12
Fastener StyleLocking bolt
Fastener FinishBlack
MaterialSteel
Part FitmentUniversal
Fastener MaterialSteel
Head StyleInternal Allen
Engine Make/SizeUniversal
Vendor Part Number3420G
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations





