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SKU: ATI918522BG | UPC: 800157095443
ATI Damper 94-05 Miata 1.8L 5.67in 4 Grv Belt Guide for OEM Trigger Wheel (916885BG Included)
This ATI Super Damper serves as a crankshaft harmonic balancer for 1994-2005 Mazda Miata 1.8L BP engines. The 5.67-inch diameter unit with integrated 4-groove belt guide (916885BG included) bolts directly in place and works with OEM trigger wheel. It absorbs crankshaft torsional vibrations to enable higher RPM operation and protect engine components during track or street use.
Key Features
- SFI 18.1 Certification: Meets rigorous standards for racing safety and performance under high stress
- Patented Elastomer Bond: Handles heat buildup and maintains shape for reliable ignition timing across RPM ranges
- Includes 916885BG Belt Guide: 4-rib serpentine design provides accurate belt alignment and consistent tension
- 5.67in Outer Diameter: Matches OEM dimensions for seamless bolt-on replacement without clearance issues
- OEM Trigger Wheel Compatible: Preserves factory crank sensor signals for unaltered ECU operation
Product Notes
- Neutral balance design works with stock and built 1.8L BP engines
- Check elastomer during valve cover inspections to ensure long-term reliability
- Ships in protective packaging ready for immediate installation
Installation Notes
- Professional installation recommended.
- Torque crankshaft bolt to 130 ft-lbs with OEM hardware
- Verify ignition timing post-install for precise operation
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1994-1997 | Mazda | Miata | 1.8L (Base, M Edition) |
| 1999-2003 | Mazda | Miata | 1.8L (Base, LS, RS, SE) |
| 2004-2005 | Mazda | Miata | 1.8L (Base, LS) |
Why Choose ATI?
- Track record in NHRA, NASCAR, and endurance racing applications
- High-strength steel withstands extreme heat and torque loads
- Precision machined and balanced for smooth crankshaft operation
Frequently Asked Questions
-
Q: Does this damper fit 1999-2005 NB Miata models with 1.8L engine?
A: Yes, it bolts directly to all BP-series 1.8L cranks in 1999-2005 Miata NB chassis -
Q: What materials are used in construction?
A: Steel inner hub and outer ring bonded with race-grade elastomer for durability -
Q: What warranty coverage applies?
A: Limited lifetime on elastomer and one year on steel components when installed properly
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure box 7.1 x 7.1 x 5.4 inches
- Weight: 10.3 lbs product (11.9 lbs shipping)
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