SKU: 230-7305 | UPC: 672036029883
ARP GM 200/700 4L60/4L80 Torque Converter Bolt Kit – 6 Piece 1981-2020 Chevrolet GMC
This ARP 230-7305 bolt kit includes six 7/16-20 x 1.625-inch torque converter flexplate bolts for GM 200-4R 700R4 4L60 4L60E 4L65E 4L70E 4L80E 4L85E transmissions in Chevrolet Camaro Corvette Silverado Suburban GMC Sierra Yukon from 1981 to 2020. These forged chromoly fasteners deliver consistent clamp load to secure the torque converter and prevent slippage under extreme power. Ideal for transmission rebuilds street performance and drag racing where failure is not an option.
Key Features
- Forged 8740 Chromoly Steel: Rated at 200,000 PSI tensile strength handles high torque without stretching or breaking
- Precision-Rolled Threads: Formed before heat treatment for deeper engagement and accurate torque values every time
- Black Oxide Finish: Resists corrosion and galling in harsh engine environments
- Hardened Washer Included: Distributes load evenly and ensures proper seating on flexplate
- Application-Specific Design: Matches OEM hole patterns with 1.125-inch thread length for 4L60 4L80 series converters
Product Notes
- ARP fasteners feature lifetime warranty against breakage when installed per instructions
- Compatible with stock and aftermarket torque converters flexplates
- Ships in protective ARP packaging dimensions 6 x 4 x 1 inches
Installation Notes
- Professional installation recommended.
- Clean all threads apply ARP Ultra-Torque lubricant torque to 65 ft-lbs in crisscross pattern
- Re-torque after 100 miles or initial heat cycles verify flexplate runout under 0.005 inches
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1981-1996 | Chevrolet | Corvette | All V8 |
| 1982-2002 | Chevrolet | Camaro | Z28 SS V8 |
| 1982-1987 | Pontiac | Firebird | Trans Am V8 |
| 1984-1987 | Buick | Regal | Grand National T-Type |
| 1988-2000 | Chevrolet | C/K 1500 | 5.0L 5.7L 7.4L |
| 1988-2002 | Chevrolet | C/K 2500 | 4L80E V8 |
| 1999-2006 | Chevrolet | Silverado 1500 | 4L60E V8 |
| 1991-2014 | Chevrolet | Silverado 2500 | 4L80E V8 |
| 2000-2006 | Chevrolet | Suburban 1500 | 4L60E V8 |
| 1996-2013 | GMC | Sierrra 1500 | 4L60E 4L80E V8 |
Why Choose ARP?
- Trusted by NHRA Top Fuel teams and circle track racers for decades
- Every bolt exceeds SAE ARP standards for fatigue and tensile strength
- Manufactured in Southern California with strict quality controls
Frequently Asked Questions
- Q: Does this kit fit 700R4 and 200-4R transmissions?
A: Yes ARP 230-7305 bolts match the 7/16-20 thread pitch used in GM 200-4R 700R4 4L60 all E variants and 4L80 series torque converters. - Q: What material and finish are the bolts?
A: Forged from 8740 chrome moly steel with black oxide coating 5/8-inch hex head and included hardened washers. - Q: What is the torque spec and warranty?
A: Torque to 65 ft-lbs using ARP Ultra-Torque backed by ARP lifetime warranty against failure when properly installed.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: ARP branded box 6 x 4 x 1 inches
- Weight: 0.45 lbs





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