*item may differ from images
Earl's Racing Products head bolts are made from premium quality 170,000 psi chromemoly alloy steel (about 15% stronger than Grade 8). These bolts have a reduced wrench size (choose from 12-point or hex head) for extra socket clearance (provides extra clearance to rocker arms when re-torqueing heads). The wide flanged head provided more support for the extra thick chromemoly washers. These head bolts are reusable and are the ideal way to upgrade the performance of your engine, and eliminate the hassle and cost of replacing OEM style torque-to-yield style bolts each time the cylinder heads are removed. Black oxide finish & sold in complete engine sets.
Specifications:
| Description_ASC | Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations |
| Description_DEF | Engine Cylinder Head Bolt |
| Description_DES | Head Bolt Set |
| Description_EXT | Head Bolt Set; Incl. Head Bolts/Washers/Anti-Seize Lubricant; 12 Pt. Head; |
| Description_FAB | 12 Point Or Hex Head Styles |
| Description_FAB | 170;000 PSI |
| Description_FAB | Alloy Steel |
| Description_FAB | Black Oxide Finish |
| Description_FAB | Extra Socket Clearance |
| Description_FAB | Sold In Complete Engine Sets |
| Description_INV | HEAD BOLTS GM LS 12-PT HEAD 2004-14 |
| Description_MKT | Earl's Racing Products head bolts are made from premium quality 170,000 psi chromemoly alloy steel (about 15% stronger than Grade 8). These bolts have a reduced wrench size (choose from 12-point or hex head) for extra socket clearance (provides extra clearance to rocker arms when re-torqueing heads). The wide flanged head provided more support for the extra thick chromemoly washers. These head bolts are reusable and are the ideal way to upgrade the performance of your engine, and eliminate the hassle and cost of replacing OEM style torque-to-yield style bolts each time the cylinder heads are removed. Black oxide finish & sold in complete engine sets. |
| Description_SHO | Cylinder Head Bolt |
| Engine | GM Small Block Gen III/IV (LS Based) |
| Engine Make/Size | Chevy Gen IV |
| finish | Black Oxide |
| Head Style | 12-Point |
| height | 2.3 |
| length | 8.7 |
| LTL | N |
| Material | Chromoly |
| Maximum PSI | 170000 |
| Reusable | Yes |
| Thread Size | M11 x 2.0mm and M8 x 1.25mm |
| WARNING CA Proposition 65 | No |
| Washers Included | Yes |
| weight | 4.42 |
| width | 4.25 |
| Wrench Size | 13mm and 10mm |