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SKU: SN333H
Spec Stage 2+ Clutch Kit – Nissan SR20DET (S13/S14/S15)
The Spec SN333H Stage 2+ is the #1 selling high-performance clutch for 400–600 whp SR20DET builds in the S13, S14, and S15 chassis. Combines a full-face carbon semi-metallic disc with Spec’s signature high-clamp pressure plate to deliver 550+ lb-ft torque capacity with smooth daily engagement, zero chatter, and excellent heat dissipation – the ultimate street/track clutch for big-turbo, E85, or built-motor SR20s.
Key Features
- Carbon Semi-Metallic Full-Face Disc – smooth engagement + extreme heat tolerance
- 550+ lb-ft Torque Capacity – proven on 600+ whp SR20s
- High-Clamp Pressure Plate – stronger hold without harsh pedal feel
- Direct Bolt-On – fits factory or lightweight flywheel
- Made in the USA – lifetime warranty on workmanship
Specifications
| Specification | Detail |
|---|---|
| Part Number | SN333H |
| Clutch Style | Stage 2+ – Carbon semi-metallic full-face disc |
| Torque Capacity | 550+ lb-ft |
| Disc Diameter | 240 mm |
| Spline Count | 24 spline |
| Included Components | Pressure plate, clutch disc, throw-out bearing, alignment tool, pilot bushing |
| Country of Origin | United States |
| Warranty | Lifetime workmanship / 120 days wear |
Product Notes
- Fits all Nissan SR20DET with pull-type clutch: 180SX, S13/S14/S15 Silvia, S14/S15 240SX (with SR swap)
- Requires pull-to-push clutch conversion fork & pivot if swapping into push-type car
Installation Notes
- Transmission removal required – professional install recommended
- Flywheel resurfacing or replacement highly recommended
- 500-mile break-in period required
This Part Fits
| Chassis | Model | Engine |
|---|---|---|
| S13 / S14 / S15 | Silvia / 180SX / 240SX | SR20DET (pull-type clutch) |
Why Choose Spec Clutches?
- America’s #1 performance clutch brand since 1998
- Every clutch built and balanced in Bessemer, Alabama
- Trusted by every 1000+ hp SR20 record holder
Frequently Asked Questions
-
Q: Will this fit my S13 with SR20DET swap?
A: Yes, as long as it has the factory pull-type clutch setup. -
Q: Can I use a lightweight flywheel?
A: Yes, Spec recommends their billet steel or aluminum flywheel (SN33S/A). -
Q: Is Stage 3 too aggressive for street?
A: Yes, Stage 2+ gives the best street/track balance.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Official Spec clutch box with foam protection
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SPEC
At SPEC, we are dedicated to pushing the limits of performance, safety, and strength in every product we create. Our mission is clear: to deliver only the best for motorsport enthusiasts and everyday drivers alike. Join us in experiencing the passion we put into our innovations. Why Choose SPEC? Race-Ready Performance: Designed with the needs of racers in mind, SPEC products excel under pressure. Advanced Technology: Our products, including the new stage 1 pressure plate, utilize cutting-edge materials for enhanced performance. Unmatched Durability: Crafted to maximize friction coefficient, wear life, burst resistance, and engagement quality. Trusted by Enthusiasts: As our own toughest customers, we stand by the quality and performance of our products. Experience the SPEC Advantage When you choose SPEC, you’re not just purchasing a product; you’re investing in a commitment to excellence. Our products rise above the competition, offering you: Innovative design for superior p...
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