8HP Superior Skyline GTR chassis kit

The Superior solution for installing an 8HP transmission into your Skyline GTR.

This product includes the complete Skyline GTR chassis kit ONLY, perfect if you are sourcing your own transmission. If you want an HPR transmission check out our other options:

For customers looking for a solid starting point, we offer the Skyline GTR chassis kit bundled with an HPR-prepped 8HP transmission of your choice. View kit →

For most customers, we recommend our discounted full package deal: it includes the chassis kit, a fixed prepped transmission, and all essential accessories for a plug-and-play swap — saving time and money. View full package →

Prefer to tailor your build? Use our online configurator to create a fully customized kit, selecting exactly what you need and skipping what you don’t. Build your custom kit →

8HP transmission and builds by HPR: View info about 8HP builds here →

Superior 8HP to GTR kit

Upgrade your Skyline GTR with the ultimate drivetrain package: a complete GTR chassis kit, paired with an HPR-prepped 8HP transmission of your choice. With precision machining and essential external components—like the billet bellhousing—pre-installed, installation is straightforward: simply bolt on your transfer case and install the transmission as a single unit.

At the heart of the kit is HPR’s billet bellhousing and flexplate—the crown jewel of the Superior Kit—ingeniously merging the 8HP centerplate into a singular unit.
Developed in-house at HPR, utilizing cutting-edge metrology-grade 3D scanners and Geomagic Design X software, the Superior Kit sets a new standard in transmission upgrades. The components ensure a premium feel and an unmatched driving experience for Skyline GTR enthusiasts.

 

Advantages of the Superior Kit for your Skyline GTR:

• No chassis modifications required for all Skyline GTR models.
• No cutting needed in the bellhousing to fit starter or front propshaft.
• Matches the built length of the 6-speed Getrag found in the R34 GTR.
• No custom front propshaft necessary (spacer kit supplied for R32/33 users; R34 direct fit).
• Includes a billet steel flexplate for added durability.
• 100% bolt in with stock propshafts for R34GTR

 

What is included in this kit?

• Billet 4340 Flexplate for your Skyline GTR (with ARP Hardware)
  
• HPR Breather mod-kit
• Nissan RB dust shield
• 3 piece billet crossmember kit with 60A rubber mounts
• Rear adapter kit for Skyline GTR
• Billet 7075 aluminum oil pump 5.5mm cover for the GTR transfer
• Shifter selector blockout
• Shifter cover for transfer
• HPR 8HP Billet oil pan to suit GTR chassis kit
• Front propshaft spacer kit for your chassis (R32, R33, R34)
• All installation hardware included in the kit
• Printed installation instructions.

 

Items not included in the kit

• Rear propshaft modification (R32/R33 users must shorten stock shaft or replace with a new one-piece propshaft)

• Transmission oil

• Upgraded torque converter
  

 

NOTE:

• Transmissions are sourced from BMW vehicles with the N57 engine. Each unit is thoroughly inspected and backed by a 90-day warranty.

• R34 GTR transfer case is not compatible with this kit.

• R32/R33 GTR front propshaft requires the included spacer kit for proper fitment.

• R34 users can retain the stock propshaft (rear propshaft must still be shortened for R32/R33, or a new one-piece can be purchased).
  

Note on Rear planetary gear: 

The rear planetary gear needs to be removed from the transmission and be sent in to us for modification. We reccommend using a transmission specialist for the work. 

Remove the clutch pack and teflon rings on the output shaft, and make sure there is no oil residue. (do not degrease it due to potential rust problems) 
Make sure you pack it well. (Max box size is 40x40x30cm/10kg)

You will recieve a modified planetary gear with the correct splines to suit your Nissan GTR transfer (exchange basis).

The modification is done in house at HPR.
Turnaround time can be up to 3 weeks if not in stock. 

 

Note on Transfer Case Oil Pump Gear Size:
Our oil pump covers are supplied to suit the standard 5.5 mm thickness gear. Some early 1989–1990 GTR models were fitted with a 7 mm oil pump drive. If you own an early model, we recommend checking the thickness of your gear before placing an order.

If you confirm your gear size with us before your order ships, we can supply the correct cover at no extra cost. If you’ve already purchased a kit with a 5.5 mm cover but require the 7 mm version, we can provide it separately at cost price.

 

Superior RB bellhousing kit Installation guidelines