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Length: 1784mm
Width: 27mm
Number of tooth: 223
Gates' timing belts offer a precision fit with easy installation and no interference engine damage - exactly what you've come to expect from the worldwide leader in timing belts.
- Tensile cord reinforced with premium, high-strength glass cords.
- Gripping teeth with aramid fiber technology and high saturation HNBR elastomeric composites for exceptional durability and heat resistance.
- Wear-resistant tooth jacket supported by reinforced nylon fabric and double-tooth stability.
The superior construction of Gates timing belts makes them 300 percent stronger than the standard aftermarket belt while providing up to three times the heat resistance.
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Product detailed specification |
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Bore size |
100.00mm |
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Stroke |
79.00mm |
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Wossner compression ratio (CR) |
8.0:1 |
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OEM compression ratio (CR) |
8.2:1 |
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Dome volume (CC) |
-25.30cm3 |
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Compression height (CH) |
30.70mm |
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Pin diameter |
23mm |
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Fits for |
Subaru Impreza WRX STI (EJ257) |
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| Quantity | 4 | ||||||
| Crankshaft | 51.999 / 51.984 | ||||||
| Housing | 55.001 / 55.019 | ||||||
| Max Wall | 1.501 | ||||||
| Max Length | 16.500 |
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Product detailed specification |
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Bore size |
99.75mm |
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Stroke |
79.00mm |
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Wiseco compression ratio (CR) |
9.0:1 |
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OEM compression ratio (CR) |
8.0:1 |
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Dome volume (CC) |
-19cm3 |
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Compression height (CH) |
30.70mm |
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Pin diameter |
23mm |
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Fits for |
Subaru WRX STI 2.5 (EJ257) |
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Product detailed specification |
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Bore size |
99.50mm |
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Stroke |
79.00mm |
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Wiseco compression ratio (CR) |
9.0:1 |
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OEM compression ratio (CR) |
8.0:1 |
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Dome volume (CC) |
-19cm3 |
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Compression height (CH) |
30.70mm |
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Pin diameter |
23mm |
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Fits for |
Subaru WRX STI 2.5 (EJ257) |
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Product detailed specification |
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Bore size |
100mm |
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Stroke |
79.00mm |
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Wiseco compression ratio (CR) |
9.0:1 |
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OEM compression ratio (CR) |
8.0:1 |
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Dome volume (CC) |
-19cm3 |
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Compression height (CH) |
30.70mm |
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Pin diameter |
23mm |
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Fits for |
Subaru WRX STI 2.5 (EJ257) |
Seat pressure - 82lbs @ 34.25mm
Open (lift) pressure - 220lbs @ 11.5mm
Spring coil bind - 20.70mm
Rate - 12.10lbs/mm
Max lift - 13.50mm
Outer spring outer diameter: 27.50mm
Outer spring inner diameter: 20.00mm
Inner spring outer diameter: 20.00mm
Inner spring inner diameter: 15.20mm
Set includes:
Dual springs: 16 pcs. SPR-TS1015/SU4
Titanium retainers: 16 pcs. RET-TS60/WRX1
Seats: 16 pcs. SEAT-TS/SUB4
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Product detailed specification |
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Bore size |
99.75mm |
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Stroke |
79.00mm |
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JE Pistons compression ratio (CR) |
8.5:1 |
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OEM compression ratio (CR) |
8.0:1 |
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Dome volume (CC) |
-16.9cm3 |
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Compression height (CH) |
30.70mm |
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Pin diameter |
23mm |
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Features |
Accepts Turbo and Nitrous; coated FSR series skirt |
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Fits for |
Subaru Impreza WRX STI - 2.5 16V (EJ257) |
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| Quantity | 1 | 2 | 2 | ||||||||||||||||||
| Crankshaft | 60.000 / 59.985 | 60.000 / 59.985 | 60.000 / 59.985 | ||||||||||||||||||
| Housing | 64.000 / 64.021 | 64.000 / 64.021 | 64.000 / 64.021 | ||||||||||||||||||
| Max Wall | 2.004 | 2.004 | 2.004 | ||||||||||||||||||
| Max Length | 22.962 | 18.999 | 15.113 |
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| Quantity | 1 | 2 | 2 | ||||||||||||||||||
| Crankshaft | 60.000 / 59.985 | 60.000 / 59.985 | 60.000 / 59.985 | ||||||||||||||||||
| Housing | 64.000 / 64.021 | 64.000 / 64.021 | 64.000 / 64.021 | ||||||||||||||||||
| Max Wall | 2.004 | 2.004 | 2.004 | ||||||||||||||||||
| Max Length | 22.962 | 18.999 | 15.113 |
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Part number starting with 330 |
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Athena advantages |
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Reinforced material |
Asbestos free composite raw material OE approved |
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Stainless steel ring (AISI304) |
Separate stainless steel rings assure maximum sealing around cylinder bore also on NOS and/or turbo charged engine where boost is over 2 bars. No head and block machining required |
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Silicon beading |
Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages |
