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SKU: IS-RH-RB25-BLU / UPC: ISR0000251
ISR Performance Silicone Radiator Hose Kit - Nissan RB25DET - Blue
ISR Performance Silicone Radiator Hose Kit in blue replaces factory rubber hoses on Nissan RB25DET engines found in R33 and R34 Skylines. This direct-fit kit handles extreme heat and boost pressures for consistent cooling in performance builds. Built with 4-ply reinforcement it resists cracking and collapse under demanding conditions.
Key Features
- 4-Ply Reinforced Silicone – Withstands 250 PSI burst pressure and continuous use up to 360°F
- Complete Hose Set – Includes upper/lower radiator hoses and thermostat bypass hose
- Premium Clamps Included – T-bolt stainless steel for large hoses worm gear for thermostat
- Direct OEM Fitment – Matches stock routing on RB25DET no modifications needed
- Vibrant Blue Finish – Enhances engine bay appearance for show or track cars
- Durable Construction – Outlasts stock rubber in high-boost tuned applications
Specifications
| Detail | Value |
|---|---|
| Brand | ISR Performance |
| Type | Silicone Radiator Hose Kit |
| Compatibility | Nissan RB25DET Engines (Skyline R33/R34 Stagea WC34) |
| MPN | IS-RH-RB25-BLU |
| Weight | 2.2 lbs |
| Shipping Dimensions | 14 x 10 x 6 inches |
| Country of Origin | Taiwan |
| Warranty | 1 Year Manufacturer Defect |
Whats Included
- 1 x Upper Radiator Hose (Silicone Blue)
- 1 x Lower Radiator Hose (Silicone Blue)
- 1 x Thermostat Bypass Hose (Silicone Blue)
- 2 x T-Bolt Stainless Steel Clamps
- 2 x Worm Gear Stainless Steel Clamps
Product Notes
- Designed for stock radiator and thermostat housing configurations
- Ideal upgrade for turbocharged RB25DET engines running high boost
- Professional installation recommended for optimal clamp tension
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 1989-1998 | Nissan | Skyline R33 | GTS-t GTS25t RB25DET |
| 1998-2002 | Nissan | Skyline R34 | GT-T RB25DET |
| 1996-2001 | Nissan | Stagea WC34 | 25t RB25DET |
| 1994-1997 | Nissan | Laurel C34 | GTT RB25DET |
Why Choose ISR Performance?
- Precision molded hoses ensure leak-free perfect fit
- High-grade materials built for motorsport durability
- Full hardware kit saves time and hassle
- Proven reliability in drift and street performance cars
Frequently Asked Questions
- Q: Will this kit fit my R33 RB25DET Skyline?
- A: Yes direct bolt-on replacement for all R33 RB25DET models.
- Q: Are the clamps high quality?
- A: Yes includes stainless T-bolt for main hoses and worm gear for thermostat hose.
- Q: Can it handle 20 PSI boost?
- A: Absolutely 4-ply design rated for high pressure in tuned setups.
Shipping & Handling
- Method: UPS Ground / FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure custom box with foam inserts prevents damage
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Looks pretty nice
Looks pretty nice, pricing was good and the reinforcement is a big plus.
Randy H.
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I emailed customer service to inquire about when it would be shipped
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Installation was easy
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