SKU: SC7324-4
CP Piston &. Ring Set for Nissan SR20DE/DET - Bore (86mm) - Size (STD) - CR (9.0) 1989-1998 Nissan 240SX
CP SC7324-4 piston and ring set rebuilds Nissan SR20DE/DET engines in 1989-1998 240SX models with 86mm stock bore precision. STD oversize fits factory dimensions for direct replacement. 9.0:1 compression ratio supports naturally aspirated or turbocharged setups with consistent power delivery.
Key Features
- Forged 2618-T61 Alloy: Withstands extreme heat and pressure in high-rpm SR20DE/DET applications for long-term engine life.
- 9.0:1 Compression Ratio: Balances efficiency for street driving and boost-ready performance in turbo SR20DET builds.
- CP Ring Pack Included: 1.2mm/1.5mm/2.8mm rings with skewed grooves reduce blow-by and friction for tighter seals.
- Optimized Skirt Design: Armor-glazed coating and contact reduction grooves minimize wear during break-in and operation.
- Lightweight Construction: 285g per piston reduces reciprocating mass for quicker revs and better throttle response.
Product Notes
- Matches SR20DE/DET specs 86mm bore 86mm stroke 121.5mm rod length 30mm compression height.
- Head volume tuned to 9.0:1 with flat-top domes verify with combustion chamber size.
- Box dimensions 10x8x4 inches protects components during transit.
Installation Notes
- Professional installation recommended.
- Hone cylinders to 86.00-86.02mm with plate hone for ring seating.
- Wrist pins 20mm x 56mm press-fit compatible with OEM or aftermarket rods.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1998 | Nissan | 240SX | SE |
| 1989-1990 | Nissan | 240SX | XE |
| 1991-1993 | Nissan | 240SX | Base |
| 1995-1998 | Nissan | 240SX | Base |
| 1991-1992 | Nissan | 240SX | LE |
| 1997-1998 | Nissan | 240SX | LE |
Why Choose CP Pistons?
- Engineered for motorsports with proven results in drag and circuit racing.
- CNC-machined tolerances hold under 0.0005 inches for zero slop.
- Backed by CP-Carrillo USA manufacturing for consistent quality.
Frequently Asked Questions
-
Q: Will SC7324-4 fit SR20DET turbo engines in 240SX swaps?
A: Yes fits all SR20DE/DET variants at stock 86mm bore direct replacement for turbo or NA with proper tuning. -
Q: What material and ring gaps are used?
A: Forged 2618-T61 aluminum rings gap top 0.45mm second 0.50mm oil 0.25mm adjust per CP instructions. -
Q: What warranty covers this piston set?
A: Limited lifetime warranty against manufacturing defects when installed by certified shop.
Shipping &. Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Foam-lined box 10x8x4 inches
- Weight: 3.7 lbs
CP Pistons
Quality CP Pistons components make a real difference in how your vehicle performs and holds up over time. Black Ops Auto Works stocks a full range of CP Pistons parts from leading aftermarket brands, all available with fast shipping so you can get back on the road quickly.Popular UpgradesPopular CP Pistons upgrades include forged pistons engineered for high-boost and high-compression builds, custom ring packages for precise cylinder sealing, and connecting rod assemblies designed to handle increased power loads. Whether you need a single piston set or a complete rotating assembly, we have options across multiple price points.What should I look for when buying CP Pistons parts?Look for CP Pistons forged from premium aluminum alloys using 5-axis CNC machining for precise tolerances. Compression ratio, bore size, and dome configuration must match your engine build specs. CP-Carrillo offers custom piston solutions for virtually any engine platform from American V8s to import sport compa...
View CP Pistons Products
Engine
Shop engine parts, oil catch cans, engine cooling upgrades, thermostats, thermostat housings, radiators, coolant accessories, supercharger pulleys, idler pulleys, tensioner pulleys, throttle bodies, engine covers, fuse box covers, cap covers, valve covers, oil system parts, ignition parts, sensors, gaskets, fuel delivery parts, and engine bay dress-up accessories at Black Ops Auto Works. This collection is built for performance vehicles, trucks, SUVs, muscle cars, boosted builds, HEMI platforms, Hellcat builds, Trackhawk SUVs, RAM TRX trucks, LS-powered builds, and high-horsepower street or track applications. Whether you are improving oil control, reducing heat soak, upgrading cooling, supporting higher boost, cleaning up the engine bay, replacing worn engine components, or preparing a street car for harder driving, this collection helps you shop engine parts by brand, category, vehicle platform, and performance goal. Shop Engine Parts by Category Browse engine upgrades and replace...
View Engine Products
Piston Sets - Forged - 4cyl
Welcome to our exclusive collection of Piston Sets - Forged - 4cyl. These piston sets are engineered for performance enthusiasts looking to enhance their vehicle's power and efficiency. With a focus on quality and durability, our forged piston sets are the perfect upgrade for your 4-cylinder engine. Key Features High Strength: Designed to withstand the extreme conditions of high-performance engines. Precision Engineering: Each piston is crafted to ensure optimal fit and function. Enhanced Performance: Improves combustion efficiency, leading to better power output. Lightweight Design: Reduces overall engine weight for improved acceleration and handling. Why Choose Our Forged Piston Sets? Our Piston Sets - Forged - 4cyl collection is the result of extensive research and development. Here’s why you should choose our products: Manufactured using premium materials for longevity and performance. Tested rigorously to meet the highest industry standards. Suitable for both st...
View Piston Sets - Forged - 4cyl Products
Pistons
Welcome to our Pistons collection, where quality meets performance. Whether you're a professional mechanic or a DIY enthusiast, our curated selection of pistons is designed to enhance your engine's efficiency and reliability of your engines performance. Why Choose Our Pistons? High-Quality Materials: Our pistons are crafted from top-notch materials to ensure durability and longevity from various manufactues. Enhanced Performance: Designed to optimize your engine's performance, our pistons deliver power and efficiency for all makes and models. Wide Range: Choose from a variety of sizes and specifications to meet your specific needs from daily drivers torace cars. Competitive Pricing: Enjoy premium quality without breaking the bank. Shop Our Pistons Collection Browse through our extensive range of pistons below: High-Performance Racing Pistons Standard Replacement Pistons Lightweight Forged Pistons Custom Fit Pistons Experience unmatched performance with our Pistons...
View Pistons Products


