SKU: 638005C-4 | UPC: 807298095318
Manley Nissan SR20DE/DET 86.5mm +0.5mm Oversized Bore 8.5:1 Dish Piston Set with Rings 1989-2002
Manley Platinum Series pistons rebuild Nissan SR20DE and SR20DET engines to 86.5mm bore for increased displacement and power. The 8.5:1 compression ratio dish design suits turbocharged setups while delivering reliable strength. These forged pistons fit 200SX SE-R Sentra SE-R Silvia S13 S14 180SX and 240SX with SR20 swap.
Key Features
- 2618 T6 Alloy Forgings: High-strength material handles high boost and RPM for long-term durability in performance engines
- Proven Skirt Profiles: Cam and barrel shapes reduce friction scuffing and wear during high-load operation
- Tool Steel Wrist Pins: Full-floating pins resist wear and provide secure connection to rods
- Moly Skirt Coatings: Graphite moly coating minimizes galling and improves break-in on cylinder walls
- Dish Top Design: -10cc volume yields 8.5:1 CR with 86mm stroke 132.9mm rods 306g weight per piston with pin
Product Notes
- Oversized pistons demand cylinder boring and honing to 86.50mm nominal bore
- Set includes file-fit ring pack with premium top seconds and oil rings
- Special order item expect 1-2 week lead if out of stock
Installation Notes
- Professional installation recommended.
- Hone cylinders with plateau finish for optimal ring seal and skirt contact
- Compatible with stock SR20 rods bearings and hardware after balancing
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991-1994 | Nissan | Sentra | SE-R (SR20DE) |
| 1991-1994 | Nissan | 200SX | SE-R (SR20DE) |
| 1989-1994 | Nissan | Silvia | S13 (SR20DET) |
| 1994-1999 | Nissan | Silvia | S14 (SR20DET) |
| 1991-1996 | Nissan | 180SX | SR20DET |
| 1991-1998 | Nissan | 240SX | SR20DET Swap |
Why Choose Manley?
- Professional engine builders rely on Manley for race-proven components
- Platinum Series delivers consistent performance in street and track engines
- Precision CNC machining ensures exact tolerances for reliable operation
Frequently Asked Questions
- Q: Which engines are compatible with these pistons?
A: Designed for all SR20DE and SR20DET blocks after boring to 86.5mm fits US SE-R models and JDM turbo variants - Q: What alloy and coatings are used?
A: Forged from 2618 T6 aluminum alloy with moly graphite skirt coating and accumulator groove for ring control - Q: What warranty applies?
A: Manley provides limited warranty covering manufacturing defects when installed by certified builders
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Protective foam-lined box 12in x 10in x 6in
- Weight: 5 lbs
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