CP Piston & Ring Set for Nissan SR20DE/DET – Bore (86mm) – Size (STD) – CR (8.5)

SKU: SC73241-4 CP Piston & Ring Set for 1989-1998 Nissan 240SX SR20DE/DET – Bore 86mm – Size STD – CR 8.5 CP forged piston and ring set SC73241-4 fits Nissan SR20DE/DET engines in 1989-1998 240SX models. This 86mm bore standard size kit with 8.5:1 compression ratio handles turbocharged builds by controlling detonation and heat. Kit includes rings pins and clips for direct replacement in performance engine rebuilds weighing 4 lbs total. Key Features Forged 2618-T61 Alloy: High-strength material resists fatigue and cracking under extreme boost pressures up to 40 psi 8.5:1 Compression Ratio: Matches turbo SR20DET applications while working with stock DE setups Accumulator Groove: Reduces ring flutter at high RPM for consistent sealing and power delivery Anti-Detonation Grooves: Prevents hot spots and pre-ignition in boosted setups Skirt and Top Coatings: Armor-Glidez skirt reduces friction and ceramic top coating improves heat dissipation Product Notes Requires cylinder honing to 86.00-86.02mm and piston to wall clearance check of 0.003-0.004 inch Rod length 137.9mm stroke 86mm compression height 30.25mm verify engine specs before install Ships in protective foam packaging weighs 4 lbs total Installation Notes Professional installation recommended. Balance rotating assembly after piston install Compatible with stock or aftermarket rods includes wrist pins and double spiro locks 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 drifting with thousands of race wins Machined to tolerances under 0.0002 inch for perfect fit Hand-built in USA with lifetime limited warranty on defects Frequently Asked Questions Q: Will SC73241-4 fit SR20DE and SR20DET in 240SX swaps? A: Yes designed for both 2.0L engines bore 86mm stroke 86mm ideal for NA or turbo builds in S13 S14 chassis Q: What alloy and coatings are used? A: 2618-T61 forged alloy with Armor-Glidez moly skirt ceramic top and lateral gas ports for sealing Q: What warranty and install support? A: Lifetime limited warranty includes rings pins clips professional install advised with CP tech sheets Shipping & Handling Method: UPS Ground or FedEx Availability: In stock – ships same or next business day Packaging: Secure foam-lined box dimensions 12 x 12 x 6 inches Weight: 4 lbs Reviews There are no reviews yet. Be the first to review “CP Piston & Ring Set for Nissan SR20DE/DET – Bore (86mm) – Size (STD) – CR (8.5)” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.