SKU: 4072GFX | UPC: 00193564181350
Wiseco 103.429mm (4.072inch) Auto Ring Set - 1 cyl. Ring Shelf Stock for 1997-2004 LS1 Vehicles
Wiseco 4072GFX piston ring set provides exact sealing and oil control for 103.429mm (4.072 inch) bore Wiseco 4-stroke pistons. This single-cylinder shelf stock set matches performance LS1 engine builds in 1998-2002 Chevrolet Camaro Z28, 1997-2004 Chevrolet Corvette Base, 1998-2002 Pontiac Firebird Formula, and 2004 Pontiac GTO Base. Built and tested for steady power in racing and street use with GFX gapless technology.
Key Features
- GFX Gapless Second Ring: Overlapping design presses against cylinder wall for stronger compression hold at high rpm
- Precision 103.429mm Bore Fit: Aligns perfectly with Wiseco pistons to cut blow-by and boost ring seal in 4.072 inch LS blocks
- 1.5mm Top / 1.5mm Second / 3.0mm Oil Rings: Narrow rings lower friction and manage oil for cleaner burn and more power
- Race-Tested Construction: Made with motorsports data to endure high heat and stress in LS1 builds
- Shelf Stock Availability: Packaged with standard gaps for fast single-cylinder installs in rebuilds
Product Notes
- Shelf stock design allows immediate use without custom ordering
- Pair with Wiseco 4.072 inch pistons for complete engine setup
- No core charge required and ready for purchase
Installation Notes
- Professional installation recommended.
- Verify ring end gaps per Wiseco specs: Top 0.0045-0.0055 inch, Second 0.0045-0.0055 inch, Oil 0.015-0.055 inch. file-fit as needed
- Compatible with standard LS1/LS6 pistons and cylinder honing to 4.072 inch bore
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-2002 | Chevrolet | Camaro | Z28 |
| 1997-2004 | Chevrolet | Corvette | Base |
| 1998-2002 | Pontiac | Firebird | Formula |
| 2004 | Pontiac | GTO | Base |
Why Choose Wiseco?
- Decades of leadership in forged pistons and rings for racing
- Every set manufactured to strict tolerances for reliable engine operation
- Proven in NHRA, drag racing, and street performance builds
Frequently Asked Questions
-
Q: Will this ring set work in my LS1 engine?
A: Yes for 4.072 inch bored blocks in listed 1997-2004 Corvette, 1998-2002 Camaro Z28/Firebird Formula, 2004 GTO when using matching Wiseco pistons -
Q: What materials are the rings made from?
A: Chrome-faced steel top ring, cast iron GFX gapless second ring, steel oil control ring for durability and heat resistance -
Q: What is the warranty on Wiseco rings?
A: Limited lifetime warranty against manufacturing defects when installed per Wiseco guidelines
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact Wiseco box 6 x 4 x 1 inches
- Weight: 0.25 lbs shipping weight
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