CP Piston & Ring Set for Nissan SR20DE/DET - Bore (86mm) - Size (STD) - CR (9.0) CP Pistons CPPSC7324-4
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CP Piston & Ring Set for Nissan SR20DE/DET - Bore (86mm) - Size (STD) - CR (9.0)

CP Pistons
CPPSC7324-4
Piston Sets - Forged - 4cyl
2 Units In Stock - Ships Next Business Day
$ 885.15
$ 885.15

SKU: SC7324-4

CP Piston &amp. 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 &amp. 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

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