The metric starter bolts for GM LS engines can be tough to find & there are two different styles of starters. Some starters use one long and one short bolt & the other style starter uses two longer bolts. These bolt kits come in three versions to fit these starters or a set of (3) bolt that will work in all applications. Zinc plated steel. Long Bolts are M10 x 1.5 x 113mm Long Replaces OEM GM PN 12561387/11610633/11610787]. Short Bolts are M10 x 1.5 x 45mm Long Replaces GM OEM PN[12561848].
| Engine Make/Size | GM Small Block Gen III/IV (LS Based) |
| Finish | Zinc |
| Head Style | Hex |
| Material | Steel |
| Thread Size | M10x1.5MM |
| Under Head Length | 45mm / 113mm |
| WARNING CA Proposition 65 | No |
Mr Gasket
The metric starter bolts for GM LS engines can be tough to find & there are two different styles of starters. Some starters use one long and one short bolt & the other style starter uses two...
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