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Proform

PROFORM GM LS Engine High Torque Starter

MPN: 66277 Catalog #: 001529317 Category: Starters Check Vehicle Fitment

Product Details

Starter - High-Torque - 3.75:1 Gear Reduction - Adjustable Block - Black Paint - Manual Transmission - GM LS-Series - Each

Starter - High-Torque - 3.75:1 Gear Reduction - Adjustable Block - Black Paint - Manual Transmission - 168 Tooth Flywheel - GM LS-Series - Each

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Engine Compatibility

GM - LSMatched variant: LS

GM Gen III/IV V8; LS1/LS2/LS3/LS6/LS7/LS9/LSA/LSX

Fitment note: Engine compatibility is provided as a guide. Please verify all fitment details before ordering.

Product Specs

Brand
Proform
Part Number
66277
Catalog Number
001529317
Product Line
Starters
Category
Ignitions & Electrical
Type
Starters
UPC / Barcode
037995662777
Length
10.10 in
Width
6.70 in
Height
6.50 in
Weight
12.85 lb
Ship Alone
No
Air Restricted
No

Shipping & Availability

Current status 1 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

Inventory shown: 1 available as of 6/4/2026.

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