Crow Cams / Genuine GM L8T Forged Crank
Crow Cams / Genuine GM L8T Forged Crank
L8T Forged Crank is supplied through Crow Cams for a correctly engineered engine and driveline combination. The crankshaft flange, trigger, rotating assembly and transmission interface must be matched before installation.
Product specifications
| Supplier part number | 12708884 |
|---|---|
| Component brand | Genuine GM |
| Product category | Crankshafts |
Technical and supplier information
- Part number 12708884
- Eight-bolt rear flange
Application and fitment
L8T forged crankshaft with 3.860-inch stroke, 58-tooth reluctor, LSA-style snout and eight-bolt rear flange. LS conversions require the correct timing drive and rotating-assembly engineering.
Supplied contents
- Part number 12708884
- Forged crankshaft
- 3.860-inch stroke
- 58-tooth reluctor wheel installed
- LSA-style crankshaft snout
- Eight-bolt rear flange
Only the components expressly listed for this SKU are included. Other related products are separate unless the selected package explicitly includes them.
Installation and configuration
- Confirm crankshaft journals, stroke, reluctor tooth count, snout, rear flange and engine/transmission interface.
- Measure all bearing and rotating-assembly clearances and confirm balance, fasteners and the matching timing drive. Follow the manufacturer installation specifications.
Associated products and selection
BBT can confirm the exact engine-specific supporting components and provide a complete parts recommendation before ordering.
BBT product selection and workshop support
Built by Boost & Tune is an authorised Crow Cams dealer and performance engine workshop. We can assist with the correct camshaft profile, compatible valve-train hardware, engine preparation, installation and calibration. Provide the exact engine code, intended use and existing components so the complete package can be checked before ordering.
Freight and order confirmation
This is a large/heavy component that requires freight to be confirmed for the delivery address before final supply. BBT will confirm the exact component identity, availability and freight method before the order proceeds. It is not treated as a standard small-parcel Crow item.