SKU: SC7300-4
CP Piston &. Ring Set for 1989-1998 Nissan 240SX KA24 w/ Turbo – Bore 89.5mm – Size +0.5mm – Compression Ratio 9.0:1
This CP Piston and Ring Set fits 1989-1998 Nissan 240SX KA24 turbo engines with 89.5mm bore and +0.5mm oversize for increased displacement and power. Forged 2618-T61 alloy construction withstands 50+ psi boost while matched rings ensure tight sealing and low blow-by. Ideal for high-performance turbo builds demanding reliability under extreme conditions.
Key Features
- Forged 2618-T61 Alloy: Aircraft-grade material resists detonation and supports 50+ psi boost for durable power in turbo KA24 engines
- 89.5mm Bore (+0.5mm): Oversize pistons boost displacement delivering more torque and horsepower in 240SX turbo setups
- 9.0:1 Compression Ratio: Optimized for turbochargers with gas porting to enhance ring seal during heavy boost loads
- Contact Reduction Grooves: Minimizes skirt scuffing and galling for smooth operation at high RPMs
- Accumulator Groove &. Rings: Moly-coated rings and groove capture combustion residue extending engine life
Product Notes
- Engine block must be bored and honed to 89.5mm prior to installation
- Compatible with stock or aftermarket connecting rods verify compression height 1.485in
- Hand-measure pistons for proper wall clearance 0.0035-0.0045in recommended
Installation Notes
- Professional installation recommended.
- Machine shop balancing required for rotating assembly
- Uses standard wrist pin clips no special hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1990 | Nissan | 240SX | XE |
| 1989-1998 | Nissan | 240SX | SE |
| 1991-1992 | Nissan | 240SX | LE |
| 1991-1993 | Nissan | 240SX | Base |
| 1995-1998 | Nissan | 240SX | Base |
| 1997-1998 | Nissan | 240SX | LE |
Why Choose CP Pistons?
- Proven in NHRA Pro Stock and drift racing worldwide
- CNC-machined in USA for tolerances under 0.0002in
- Backed by motorsports engineering since 1995
Frequently Asked Questions
- Q: Will this fit KA24DE turbo conversions in 240SX?
A: Yes fits KA24E/DE turbo builds in all listed 1989-1998 240SX models with proper machining - Q: What piston material and weight?
A: Forged 2618-T61 aluminum each piston weighs 312g lightened for quick revving - Q: What warranty applies?
A: One-year unlimited mileage warranty against manufacturing defects covers material and workmanship
Shipping &. Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Foam-protected box 10in x 8in x 4in
- Weight: 3.8 lbs
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