RB Billet Heater Hose & Outlet Upgrade
Durable, Leak-Proof, Rust-Free

Upgrade your Nissan's heater system by replacing weak plastic outlets that crack, leak and fail over time. This premium Boost Doc CNC-machined billet aluminum kit features high-quality Speedflow fittings, ensuring maximum durability and a leak-proof connection.

🔧 Key Features:
✅ Precision CNC billet alloy outlets – stronger than stock plastic components
✅ Supplied as pairs with new seals for a complete installation
✅ M16 banjo fitting thread – banjos and bolts sold as a separate kit
✅ AN-10 outlet size – perfect for all performance applications
✅ Reuses original screws, with optional stainless steel Allen head replacement bolts available

🔹 Fitment Options:

• Option one - fits Skyline, R33 R34, Stagea: C33, C34
• Option two - fits R32, S13, GTI-R, A31
• Option three - fits S14 and S15
• Banjo bolt kit includes 2 x banjo's and 2 x banjo bolts with 4 x crush washers.
• Banjo - AN10 push lock includes 2 x banjo bolts, 2 x fittings to AN10 - 5/8 rubber hose.
• Universal kit - fits many Nissan and Subaru heater cores, sold as pairs with new seals. 
• Heater core - unbranded replacement heater core, replaces 27140-15U00
• Replacement bolts/screws - stainless steel Allen head bolts, sold as a set of 8 bolts, which will suit one vehicle. 

This is the ultimate heater outlet upgrade for RB-powered Nissan Skylines, Silvias, and Stageas. Built to last – no more leaks, no more rust!

Fitting guide:
- Remove the glove box
- Responsibly de-gas the a/c system. 
- Remove the a/c box from the vehicle.
- Access in now available to the heater core and outlets from the passenger floor well.
- Check condition of the heater core
- Swap relevant parts and re-assemble in reverse order.
- Most a/c techs will store your gas while you perform the install, and not charge you much to re-gas your system, check with them before you commence the job.