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SKU: 244-2902 | UPC: 672036044084
ARP Flexplate Bolt Kit for 1997+ Gen III/IV LS Small Block w/ 700R4/ Turbo 350-400 Adapter Plate
ARP 244-2902 Flexplate Bolt Kit fastens the flexplate to the crankshaft on 1997 and later Gen III/IV LS small block engines equipped with 700R4 or Turbo 350/400 transmissions using an adapter plate. These Pro Series bolts deliver 190,000 PSI tensile strength from 8740 chrome moly construction with black oxide finish for reliable high-torque power transfer. The design includes a 12-point head and increased shank diameter over stock for precise fit and durability in performance builds.
Key Features
- 190,000 PSI Rating: Pro Series strength handles extreme torque loads in LS engine swaps with automatic transmissions
- 8740 Chrome Moly Material: Heat-treated alloy resists fatigue and provides consistent clamping force under high RPM
- 12-Point Flat Head Design: Ensures positive engagement and easy installation without cam-out
- Larger Shank Diameter: Boosts shear resistance compared to OEM bolts for flexplate security
- Black Oxide Finish: Corrosion protection and lubricity for repeated assembly and long service life
Product Notes
- Kit includes 6 bolts with 7/16-20 x 1.500 inch thread size and 1.625 inch overall length
- Compatible with stock LS starter provisions and adapter plates from March, TCI or Quick Time
- ARP recommends lubing threads and under heads with ARP Ultra-Torque assembly lube
Installation Notes
- Professional installation recommended.
- Torque to 65 ft-lbs using ARP specifications for proper clamping
- Requires 5/8 inch 12-point socket. fits LS crankshaft flange directly with adapter plate setup
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2004 | Chevrolet | Corvette | Base, Z06 |
| 1998-2002 | Chevrolet | Camaro | Base, Z28, SS |
| 1999-2007 | Chevrolet | Silverado 1500 | All LS |
| 2003-2006 | Chevrolet | SSR | All |
| 2004-2006 | Pontiac | GTO | All |
| 2005-2013 | Chevrolet | Corvette | Base, Z06 |
| 2007-2013 | Chevrolet | Silverado 1500 Classic | All LS |
Why Choose ARP?
- ARP sets the standard for engine fasteners in drag racing and circle track
- Every bolt precision-rolled threads and computer-controlled heat treatment
- Manufactured in Southern California with strict quality controls
Frequently Asked Questions
-
Q: Will these bolts fit LS3 or later Gen IV engines with TH400 adapter?
A: Yes, 244-2902 fits all Gen III/IV LS small blocks including LS1, LS2, LS3, LS7 when using 700R4/TH350/TH400 adapter plates -
Q: What is the exact material and thread specification?
A: Forged 8740 chrome moly steel, 7/16-20 UNF thread x 1.500 inch grip length, 12-point 5/8 inch head -
Q: What is the ARP warranty and torque spec?
A: Lifetime warranty against breakage. torque to 65 ft-lbs dry or 75 ft-lbs with ARP lube following instructions
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact plastic pouch in 6 x 4 x 1 inch box
- Weight: 0.38 lbs
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