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SKU: 230-7302 | UPC: 672036008420
ARP GM Turbo 350 / 400 w/ Aftermarket Converter Torque Converter Bolt Kit
This ARP bolt kit secures torque converters to flexplates in GM Turbo 350 and Turbo 400 transmissions using aftermarket converters. The 6-piece set with 1/2"-28 x 1.750" bolts provides consistent clamp load to handle high horsepower and prevent slippage. Ideal for drag racing street builds and track cars with TH350 or TH400 swaps.
Key Features
- ARP2000 Alloy Steel: Rated at 220,000 PSI tensile strength to resist fatigue under extreme torque loads
- Precision-Rolled Threads: Increase thread strength by 30% over cut threads for accurate repeatable torque values
- 12-Point Fluted Heads: Ensure positive wrench engagement and prevent rounding during high-torque installation
- Exact Dimensions: 1/2"-28 thread size x 1.750" overall length fits GM TH350/TH400 aftermarket converter bolt patterns
- Complete 6-Bolt Kit: All hardware matched for one-time install with no additional parts needed
Product Notes
- Designed exclusively for aftermarket torque converters on TH350/TH400 transmissions
- Re-torque bolts after 100 miles or initial heat cycles for optimal retention
- Ships in protective packaging to prevent thread damage
Installation Notes
- Professional installation recommended.
- Clean all threads thoroughly and apply ARP Ultra-Torque fastener lubricant
- Torque to ARP specs (55-65 ft-lbs depending on converter) in crisscross sequence
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1967-1981 | Chevrolet | Camaro | All TH350/TH400 |
| 1965-1982 | Chevrolet | Corvette | All TH350/TH400 |
| 1967-1987 | Chevrolet | C10 Pickup | All TH350/TH400 |
| 1968-1972 | Chevrolet | Chevelle | All TH350/TH400 |
| 1967-1981 | Pontiac | Firebird | All TH350/TH400 |
| 1973-1987 | GMC | C/K Pickup | All TH350/TH400 |
| 1965-1990 | Chevrolet | Impala | All TH350/TH400 |
| 1966-1993 | GM | TH350 Transmission | w/ Aftermarket Converter |
| 1964-1993 | GM | TH400 Transmission | w/ Aftermarket Converter |
Why Choose ARP?
- Trusted by NHRA Pro Stock and Top Fuel teams for mission-critical fasteners
- Retains clamp load longer than OEM bolts in high-heat high-RPM conditions
- CNC-machined from premium alloy with rigorous quality testing
Frequently Asked Questions
-
Q: Will this kit fit stock GM torque converters?
A: No, this kit fits aftermarket converters on TH350/TH400 with 1/2"-28 bolt pattern. Stock converters use smaller bolts. -
Q: What material are the bolts made from?
A: ARP2000 alloy steel with 220,000 PSI tensile strength and black oxide finish for corrosion resistance. -
Q: What is the ARP warranty and torque procedure?
A: ARP offers a satisfaction guarantee. Torque to 55-65 ft-lbs with Ultra-Torque lube in manufacturer sequence, re-check after break-in.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact protective box 6 x 5 x 1 inches
- Weight: 0.38 lbs
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