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SKU: BXFL-00307-SP
BLOX Racing SUS303 Stainless Steel Exhaust Manifold Stud Kit M8 x 1.25mm 45mm - Fits 1988-2011 Honda Civic Integra CRX RSX Prelude
BLOX Racing SUS303 Stainless Steel Exhaust Manifold Stud Kit features a single M8 x 1.25mm x 45mm stud designed as a direct replacement for factory hardware on Honda and Acura B-Series D-Series F-Series H-Series and K-Series engines. This stud secures exhaust manifolds on models like Civic Integra CRX RSX and Prelude providing reliable hold during high-performance operation. Corrosion-resistant material ensures long-term durability in exhaust environments.
Key Features
- SUS303 Stainless Steel: Resists rust and seizing for repeated disassembly common in engine builds and track use
- M8 x 1.25mm Fine Thread: Matches OEM specifications for precise fit and secure clamping force on exhaust flanges
- 45mm Length: Correct dimension for log-style and 4-1 manifolds on B D K series preventing bottoming out or loose fit
- Single Stud Packaging: Allows targeted replacement of broken or stripped factory studs without buying full sets
- Precision Machined: Rolled threads reduce galling and improve fatigue strength under heat cycles
Product Notes
- Direct OEM replacement maintains stock positioning and torque values
- Apply anti-seize to threads during install to avoid future corrosion lock-up
- Packed in protective sleeve for safe handling and storage
Installation Notes
- Professional installation recommended.
- Remove old stud with stud extractor if seized apply penetrating oil first
- Compatible with OEM nuts torque to 22-25 ft-lbs depending on engine spec
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1991 | Honda | Civic | Si CRX Si (B16A) |
| 1988-1991 | Honda | CR-X | Si (B16A) |
| 1990-1993 | Acura | Integra | LS GS RS (B18A1) |
| 1992-1995 | Honda | Civic | Si (EG6 B16A) |
| 1994-2001 | Acura | Integra | GS-R Type R (B18C) |
| 1996-2000 | Honda | Civic | Si EX (B16A2 D16Y8) |
| 1997-2001 | Honda | Prelude | SH Base (H22A) |
| 2002-2006 | Acura | RSX | Type-S Base (K20A2 K20A3) |
| 2006-2011 | Honda | Civic | Si (K20Z3) |
Why Choose BLOX Racing?
- Established JDM brand focused on Honda Acura performance hardware
- Engineered for racing and street applications with real-world testing
- CNC machined in-house for consistent quality and exact tolerances
Frequently Asked Questions
-
Q: Does this stud fit 1999-2000 Civic Si EM1 B16?
A: Yes direct fit for B16A2 exhaust manifold studs measuring 45mm overall length -
Q: What makes SUS303 stainless steel different?
A: SUS303 offers improved machinability corrosion resistance and strength over mild steel while allowing sulfur addition for smoother threading -
Q: Is a nut included and what is the warranty?
A: Stud only reuse OEM nut or buy separately BLOX Racing offers limited lifetime warranty against manufacturing defects
Shipping & Handling
- Method: USPS First Class or UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective poly bag 3 x 2 x 0.5 inches
- Weight: 0.05 lbs
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