GReddy 13554503 Timing Belt Specifications
| Specification | Details |
|---|---|
| Brand | GReddy / TRUST |
| Manufacturer part number | 13554503 |
| Product name | Extreme Timing Belt |
| Product category | Engine timing belt |
| Advertised vehicle | Acura Integra GS-R |
| Engine family | Honda B-series DOHC VTEC |
| Primary engine | 1.8L B18C1 |
| Construction | Performance-oriented reinforced belt |
| Key characteristics | Heat resistance, flexibility, durability |
| Intended use | Performance street and racing applications |
| Installation | Direct engine timing system replacement, subject to fitment verification |
Why Timing Belt Quality Matters on the B18C1
The Honda B18C1 engine uses a toothed timing belt to synchronize crankshaft rotation with the intake and exhaust camshafts.
Because the engine operates at relatively high RPM and uses a sophisticated VTEC valvetrain, maintaining correct camshaft timing is essential.
How To Install Eagle Rods in a B18C1
A deteriorated belt may develop cracking, damaged teeth, or structural weakness over time. If the belt fails or loses synchronization, the consequences can be expensive.
The GReddy Extreme Timing Belt is intended to offer improved resistance to the thermal and mechanical stresses associated with demanding engine operation.
For owners restoring an older Integra GS-R, replacing an aged timing belt is especially important, regardless of how few miles the vehicle has traveled.
GReddy Extreme Timing Belt vs. Standard Replacement Belt
| Feature | Standard replacement belt | GReddy Extreme Timing Belt |
|---|---|---|
| Primary purpose | Maintain engine timing | Maintain engine timing |
| Construction | OEM-style materials | Performance-oriented materials |
| Heat resistance | Designed for normal engine operation | Marketed for increased heat resistance |
| Flexibility | OEM-style specification | Enhanced flexibility claimed |
| Racing application | Depends on manufacturer | Marketed for performance use |
| Horsepower increase | None | None |
| Replacement interval | Manufacturer recommendation | Confirm with GReddy |
GReddy’s marketing emphasizes durability, but a longer replacement interval should not be assumed without an official manufacturer specification.
Installation Recommendations
Replacing the timing belt on a B18C1 requires accurate alignment of the crankshaft and both camshafts.
Incorrect installation can result in poor engine operation or internal damage.
How To Change Your B18C1 DOHC VTEC Timing Belt
When servicing the timing system, inspect the tensioner, idler components, water pump, camshaft seals, and crankshaft seal. Replace worn components as necessary using the appropriate service procedures.
Follow the Honda factory service manual for timing mark alignment, belt tensioning, fastener torque, and post-installation inspection.
Do not rely on the aftermarket belt alone to compensate for worn pulleys, leaking seals, or an incorrectly adjusted tensioner.
Verified Vehicle Fitment
GReddy identifies part number 13554503 as its B18C/B16B Extreme Timing Belt, with belt reference HN-126RU26. Its high-saturation H-NBR rubber and specialized tooth construction are intended to improve resistance to heat, deformation, and tooth stress.
| Years | Make | Model | Trim / Engine |
|---|---|---|---|
| 1994–2001 | Acura | Integra | GS-R, B18C1 |
| 1997–1998, 2000–2001 | Acura | Integra | Type R, B18C5 |
| 1999–2000 | Honda | Civic | Si, B16A2 |
| 1997–2000 | Honda | Civic Type R (JDM) | EK9, B16B |
The U.S. applications are supported by aftermarket fitment catalogs, while GReddy identifies the B18C/B16B engine families.
Important: Do not list this as a universal B-series belt. B18A/B18B non-VTEC applications require separate fitment verification.
Related Pro Street Online Installation Guide
One particularly strong internal link already exists on My Pro Street Online:
How to Change Your B18C1 DOHC VTEC Timing Belt
This detailed guide covers timing belt and water pump replacement on a 1996 Acura Integra GS-R. It makes an excellent companion to the GReddy product page, connecting purchase intent with actual installation instructions.
Frequently Asked Questions
Will the GReddy 13554503 fit a 1996 Acura Integra GS-R?
Yes. It is listed for the 1994–2001 Integra GS-R equipped with the B18C1 engine.
Does this timing belt fit a B18C5 Integra Type R?
Yes. Fitment listings include the U.S.-market Integra Type R with the B18C5 engine.
FAQ : Common LS VTEC Myths
What material does GReddy use?
GReddy specifies high-saturation H-NBR rubber and specialized tooth construction intended to resist deformation, heat damage, and timing inconsistencies.
Does a stronger timing belt allow higher engine RPM?
Not by itself. The engine’s safe RPM limit depends on the complete rotating assembly, valvetrain, lubrication system, and engine calibration.
Can I extend my timing belt replacement interval?
Do not extend the manufacturer’s recommended service interval simply because the belt is performance-oriented. Follow applicable service guidance and inspect the complete timing system.
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