MOPAR PRODUCTS
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 |