ProForm 67054 High-Torque Starter for GM LS, 4.41:1 Gear Reduction
$169.99
A brand-new ProForm gear-reduction starter for GM LS-series engines, rated to crank engines up to 14:1 compression.
- Fits GM LS-series: ProForm lists LS1, LS2, LS6 & LS7
- Up to 14:1 compression: 4.41:1 gear reduction
- Oil pan clearance: Offset design gives more room around the pan
- All new: New components, not remanufactured
- Warranty: 37 months from purchase (confirm with the manufacturer or JEGS tech support)
Amazon price as of Oct 9, 2026, subject to change. Check Amazon for the current price. Checkout is completed on Amazon, not through Planet X Performance.
The ProForm 67054 is a high-torque, gear-reduction starter built from all-new components, not a rebuilt core. Its 4.41:1 reduction is rated for engines up to 14:1 compression, so it suits big-cube or high-compression LS builds as well as stock engines that need stronger cranking. An offset design adds oil pan clearance.
Key specs
| Brand / part number | ProForm 67054 |
|---|---|
| Compression rating | Up to 14:1 |
| Gear reduction | 4.41:1 |
| Output | 1.4 kW (confirm with the manufacturer or JEGS tech support) |
| Design | Offset for oil pan clearance; high-compression racing style |
| Construction | 100% new components, not remanufactured |
| Warranty | 37 months from purchase (confirm with the manufacturer or JEGS tech support) |
Fits
- GM LS-series engines: ProForm lists LS1, LS2, LS6 & LS7
- Compression: 14:1 or lower
In the box: Starter and mounting bolts.
Check before you buy
- Tooth count: Neither Amazon nor ProForm states this starter’s flywheel tooth count. Confirm it matches your flywheel or flexplate before ordering
- Engine: ProForm lists LS1, LS2, LS6 & LS7. Check fit with the seller for other LS engines
- Clearance: Check room around your headers and oil pan before ordering
Mounting hardware included.
Recommended: For replacement mounting bolts, we suggest the ICT Billet LS starter bolt kit (551681) or the ARP stainless LS starter bolt kit (430-3511).
Broken starter ear? If the outboard starter mounting ear on your LS block is cracked or broken, the Trinity Starter Bracket can repair it without machining. The block’s inboard starter bolt hole must still be intact. The Trinity can’t fix a block where the whole starter ear is missing.
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