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SKU: 59007119005
BorgWarner TH Clamp Kit for EFR Turbos w/ Aluminum BH
The BorgWarner TH Clamp Kit secures the turbine housing to the aluminum bearing housing on EFR series turbochargers. This V-band kit fits performance builds using EFR turbos in cars like Subaru STI and Mitsubishi Evo models. It handles high exhaust temperatures and boost pressures for consistent power delivery.
Key Features
- Stainless Steel Construction: T304 material resists corrosion heat and vibration for long-term reliability in turbo systems
- V-Band Design: Precision machined inner and outer rings provide even clamping pressure and quick assembly
- T-Bolt Hardware: Includes grade 8 T-bolt and nut for adjustable tension and repeated service without wear
- EFR-Specific Fit: Matches factory flange dimensions on EFR turbos with aluminum bearing housing for zero leaks
- Lightweight Build: Reduces rotational mass while maintaining strength for responsive turbo spool
Product Notes
- Confirm your EFR turbo has aluminum bearing housing before purchase
- Apply anti-seize compound to T-bolt threads to prevent galling
- Standard ground shipping with tracking provided
Installation Notes
- Professional installation recommended.
- Clean flanges and inspect O-ring or gasket for damage prior to assembly
- Torque T-bolt to 8-10 Nm using calibrated torque wrench
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2002-2007 | Subaru | Impreza | WRX |
| 2003-2006 | Mitsubishi | Lancer | Evolution VIII/IX |
| 1995-2002 | Nissan | 240SX | S14 SE |
| 1989-1994 | Nissan | 240SX | S13 |
Why Choose BorgWarner?
- Leaders in turbocharger engineering since 1980
- Components built for endurance racing teams
- Exact tolerances from factory production processes
Frequently Asked Questions
-
Q: Which EFR turbo models use this clamp kit?
A: Fits all BorgWarner EFR series including 6258 6758 7163 7670 8374 9180 and 9474 with aluminum bearing housing -
Q: What is the clamp material and finish?
A: T304 stainless steel with passivated finish for heat resistance up to 1600 degrees F and corrosion protection -
Q: What warranty applies and install tips?
A: BorgWarner one-year limited warranty. Use thread locker on nut and check torque after initial heat cycles
Shipping & Handling
- Method: Standard ground
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box 6 x 4 x 2 inches
- Weight: 0.4 lbs
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