ARP Flexplate Bolt Kit GM LS Gen III/IV W/ TH700R4/TH350-400 Adapter Plate
Highlights
- Fits Adapter Plate Setups
- Stronger Than OEM Bolts
- 12-Point Head Design
- Aerospace-Grade ARP Alloy
ARP Flexplate Bolt Kit for GM LS Gen III/IV Engines with TH700R4/TH350-400 Adapter Plates.
Secure your GM LS Gen III/IV engine’s flexplate with race-proven reliability using this ARP flexplate bolt kit (244-2902). Designed specifically for builds using a TH700R4, TH350, or TH400 transmission with an adapter plate, this 6-piece bolt kit has high clamping force and superior durability. Each bolt is forged from aerospace-grade alloy, heat-treated for strength, and precision-machined for perfect thread engagement. The 12-point, flat-head design increases torque distribution and helps maintain proper flexplate alignment with a larger-than-stock shank diameter.
Features and Benefits:
- Fits GM LS Gen III/IV engines using a TH700R4, TH350, or TH400 adapter plate
- Direct-fit replacement that outperforms stock bolts
- Ideal for performance, racing, or high-load applications
- Includes 6 high-strength flexplate bolts
- Larger shank diameter than OEM for improved register
- Heat-treated before machining for enhanced fatigue resistance
- 12-point flat-head design improves torque and clamping force
- Aerospace-grade alloy construction for extreme durability
Vehicle Fitment:
- 1967-1973 Chevy Camaro
- 1964-1972 Chevy Chevelle/ El Camino
Please Note: Uses a 3/4" 12-point socket for installation.
California Residents: Proposition 65 Warning
Related Categories: Drivetrain, Restomod, Flywheels & Flexplates, LS Engine Swap Parts
Installation Difficulty

Intermediate skill is required for this installation.
Installation Instructions
Vehicle Fitment
This product will fit the following Camaro years:
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
This product will fit the following Chevelle years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
This product will fit the following El Camino years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,













