Description
Stage 3 Top Mount Turbo Kit for H22 / F20B - Premium Prelude & Accord Performance
Our most advanced H-Series turbo kit featuring a premium Pulsar GTX Gen2 ceramic dual ball bearing turbo with billet compressor wheel rated at 650+ HP. Designed specifically for H22 and F20B VTEC engines in 1992-2001 Honda Prelude and 1990-1997 Honda Accord.
Performance Specs
- Power Capability: 500-650+ horsepower (with proper tuning and built motor)
- Boost Range: 12-20+ PSI with 44mm wastegate
- Turbo: Pulsar T3 GTX Gen2 Ceramic Dual Ball Bearing with Billet Wheel - 650HP rated
- Design: Top mount manifold for optimal fitment
- A/C Compatible: No - requires alternator relocation
What's Included - Complete Stage 3 Kit
- Pulsar T3 GTX Gen2 Turbo - Ceramic Dual Ball Bearing with Billet Compressor Wheel (650HP rated)
- ATK T3 Top Mount Turbo Manifold (4-bolt)
- ATK "S3" Front Mount Intercooler - 28.5"x10.2"x3.25" (premium size)
- Pre-bent and flared intercooler piping
- Heavy-duty silicone couplers
- Heavy-duty T-style clamps
- Type SSQV Style Blow Off Valve
- ATK 44mm Wastegate
- V-band downpipe flange + clamp
- 44mm wastegate downpipe flange
- Turbo oil feed line kit
- Turbo oil return line kit
- Miscellaneous gaskets and hardware
Stage 3 Premium Features
- ✅ Ceramic dual ball bearing turbo for faster spool and longer life
- ✅ Billet compressor wheel for maximum airflow and efficiency
- ✅ 650HP rated turbo (vs 500HP for Stage 2)
- ✅ Larger S3 intercooler (28.5" vs standard) for superior cooling
- ✅ GTX Gen2 technology for superior performance vs standard turbos
- ✅ Designed for serious 500-650HP builds
Fitment Guide
| Year | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 1992-2001 | Honda | Prelude | H22A, H22A4 | Direct fit |
| 1997-2001 | Honda | Prelude | H22A (USDM) | Direct fit |
| 1990-1997 | Honda | Accord | F20B, H22A | Direct fit |
| 1992-2000 | Honda | Civic | H22 swap | Requires custom work |
| 1993-1997 | Honda | Del Sol | H22 swap | Requires custom work |
Important: Does NOT fit H23A1 engines. H23A VTEC only.
Installation Notes
Difficulty: Expert Level | Estimated Time: 14-18 hours
- Requires alternator relocation bracket (not included - sold separately)
- A/C delete or modification required for clearance
- May require modifications, fabrication, or welding for optimal fitment
- Professional installation strongly recommended
- Requires standalone ECU or advanced tuning solution
- Built motor recommended for power levels above 450HP
- Custom downpipe fabrication required (flanges included)
Supporting Mods Required
- Fuel System: 1000cc+ injectors, Walbro 450 fuel pump, aftermarket FPR, fuel rail upgrade
- ECU: Standalone ECU (Hondata S300, Neptune RTP, AEM, Haltech) required
- Clutch: Stage 3+ clutch rated for 500+ ft-lbs torque
- Exhaust: 3" turbo-back exhaust system
- Engine: Built motor recommended (forged pistons, rods, head studs) for 500+ HP
- Required: Alternator relocation bracket for H-series (sold separately)
- Tuning: Wideband O2, boost controller, oil pressure/temp gauges
FAQ
Q: What makes this Stage 3 vs Stage 2?
A: Stage 3 features a premium ceramic ball bearing turbo with billet wheel rated at 650HP (vs 500HP for Stage 2), larger S3 intercooler, and upgraded components throughout. It's designed for 500-650+ HP builds with built motors.
Q: Will this fit my H23A1 engine?
A: No, this kit does NOT fit H23A1 (non-VTEC). It's designed for H22A and F20B VTEC engines only.
Q: Do I need an alternator relocation bracket?
A: Yes, absolutely required for this kit. The turbo manifold requires relocating the alternator. Bracket sold separately.
Q: Can I run this on a stock motor?
A: You can run lower boost (10-12 PSI, ~450HP) on a stock H22A4 with proper tuning, but this kit is designed for built motors. Stock H22A1 should not exceed 400HP.
Q: What's the advantage of ceramic ball bearing?
A: Faster spool, less lag, better oil flow, longer turbo life, and can handle higher RPM compared to journal bearing turbos. Essential for high-HP builds.
Q: Do I need a standalone ECU?
A: Yes, for this power level you need Hondata S300, Neptune RTP, AEM Infinity, Haltech, or similar. Stock ECU cannot handle this power safely.
Q: What power can I realistically make?
A: Stock H22A4 (conservative tune): 400-450HP. Built motor (forged internals): 500-650HP. F20B: 450-550HP built. Always tune conservatively and monitor AFR.
Q: Is this worth the upgrade over Stage 2?
A: If you're building for 500+ HP, yes. The ceramic ball bearing turbo rated at 650HP, billet wheel, and larger intercooler justify the premium. For 400-450HP builds, Stage 2 is sufficient.
Professional installation and tuning required. May require fabrication or welding. Built motor recommended for power levels above 450HP. Alternator relocation bracket required (sold separately). Not legal for street use in all areas - check local regulations. Stock photo may not be exactly what you receive.
