Product Description:
Hawks Motorsports is pleased to offer our clients the following.
Replace the crankshaft balancer on a compatible 2016-2024 Chevrolet Camaro with the naturally aspirated LT1 6.2L V8 using GM Genuine Parts 12687728. Match the engine and accessory-drive configuration by VIN.
| Producer | GM Genuine Parts |
| Condition | New |
| Engine | Naturally aspirated LT1 6.2L V8 |
| Component | Crankshaft harmonic balancer |
| Outside diameter | 193 mm |
| Bore | 38 mm |
| Catalog groove count | 10 total pulley grooves |
| Year | Verified application / required configuration |
|---|---|
| 2016 | Camaro SS; LT1 6.2L V8 |
| 2017 | Camaro SS; LT1 6.2L V8 |
| 2018 | Camaro SS; LT1 6.2L V8 |
| 2019 | Camaro SS; LT1 6.2L V8 |
| 2020 | Camaro SS; LT1 6.2L V8; Camaro LT1 trim with LT1 6.2L V8 |
| 2021 | Camaro SS; LT1 6.2L V8; Camaro LT1 trim with LT1 6.2L V8 |
| 2022 | Camaro SS; LT1 6.2L V8; Camaro LT1 trim with LT1 6.2L V8 |
| 2023 | Camaro SS; LT1 6.2L V8; Camaro LT1 trim with LT1 6.2L V8 |
| 2024 | Camaro SS; LT1 6.2L V8; Camaro LT1 trim with LT1 6.2L V8 |
LT1 engine terminology applies throughout this range; the Camaro LT1 trim starts in 2020. This record is for the naturally aspirated drive layout, not the supercharged LT4 application.
- One GM Genuine Parts crankshaft balancer
The balancer works with the engine-specific accessory drive and crankshaft attachment. The manufacturer lists 10 pulley grooves in total; this is not a specification for a single 10-rib accessory belt.
Catalog dimensions are 193 mm outside diameter, 38 mm bore and 35 mm depth. The catalog depth is a component specification, not a packaged dimension or a verified full axial envelope.
Use the GM service procedure and the proper balancer removal and installation tools. Confirm the correct crankshaft fastener and torque-angle sequence for the VIN.
Inspect the belt system, confirm pulley alignment and check accessory operation after installation.
Which engine is this for?
The naturally aspirated Camaro LT1 6.2L V8 in the listed applications.
Does LT1 mean the trim exists in every listed year?
No. SS uses the LT1 engine throughout this range; the LT1 trim begins in 2020.
Is this the LT4 ZL1 balancer?
No. Select the LT4-specific part for a supercharged ZL1.
What is the outside diameter?
GM lists 193 mm.
Does 10 grooves mean a single 10-rib belt?
No. It is the catalog total groove count across the pulley, not a belt selection instruction.
