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Mopar Locking Header Bolt Kits

Mopar Locking Header Bolt Kits

Stage 8 Locking Header Bolts easy to use and they are real assurance against horsepower loss or gasket failure created by loose nuts or bolts.

The unique patented and trademarked functional design is just three pieces: a bolt (4130 Alloy Steel), a locking retainer and a spring clip.

The header bolt kits are application specific as either hex head with a 3/16 recessed allen head or 12 point, USA or metric. All Stage 8 Locking Header Bolt Kits are sold with all of the necessary hardware for your application.

Mopar Locking Header Bolt Kits By Application

NOTE: DHH = DOUBLE HEX HEAD BOLT, INCLUDES 3/16 RECESSED ALLEN HEAD

4 CYLINDER
2.0 Liter 4925 (8) 8mm-1.25x25mm bolts 6pt DHH Buy Now
2.4 Liter 4926 (10) 8mm-1.25x25mm bolts 6pt DHH Buy Now
INLINE 6
6 CYLINDER
Inline 6 Cyl. 6915 (13) 5/16-24 nuts Buy Now
3.5 Liter 6928 (12) 8mm-1.25x25mm bolts 6pt DHH Buy Now
3.9 Liter 6916 (8) 5/16-18×7/8″ bolts 6pt DHH Buy Now
6931 (8) 5/16-18×1″ bolts 12pt Buy Now
Dodge Cummins
Diesel Header Bolts
6935 (12) 10mm-1.50x30mm 12pt Bolts Buy Now
Dodge Cummins
Diesel Header Bolts
6935B (12) 10mm-1.50x30mm 6pt Bolts with 15mm head Buy Now
8 CYLINDER
Small Blocks
273 – 360 cu/in
(incl. 5.2 & 5.9 Liter)
8915 (12) 5/16-18×7/8″ bolts 6pt DHH Buy Now
8935 (12) 5/16-18×1″ bolts 12pt Buy Now
8955 (12) 5/16-18×1″ bolts 12pt Stainless Steel Buy Now
4.7, 5.7, 6.1 Liter Hemi 8916 (17) 8mm-1.25x25mm bolts 6pt DHH Buy Now
Big Blocks
383 – 440 cu/in
(exc. 413 cu/in)
8916S (12) 3/8-16×3/4″ bolts 6pt DHH Buy Now
8916A (12) 3/8-16×1″ bolts 6pt DHH Buy Now
8936 (12) 3/8-16×1″ bolts 12pt Buy Now
8956 (12) 3/8-16×1″ bolts 6pt Stainless Steel DHH Buy Now
413 cu/in 8912 (16) 3/8-16×3/4″ bolts 6pt DHH Buy Now
8912A (16) 3/8-16×1″ bolts 6pt DHH Buy Now
8932 (16) 3/8-16×1″ bolts 6pt DHH Buy Now
8952 (16) 3/8-16×1″ bolts 6pt Stainless Steel DHH Buy Now
10 CYLINDER
8.0 Liter 8909 (20) 5/16-18×7/8″ bolts 6pt DHH Buy Now
8909B (20) 5/16-18×1″ bolts 12pt Buy Now
2-BOLT
HEADER KITS
8910A (2) 3/8-16×1″ bolts 6pt DHH Buy Now
8910B (2) 3/8-16×1 1/4″ bolts 12pt Buy Now
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