Cometic PRO2017B StreetPro Bottom End Gasket Kit Nissan RB20 RB25 RB26 Skyline

Vehicle Fitment

• 1989-1994 Nissan Skyline (R32) - RB20E 2.0L SOHC I6 / RB20DE 2.0L DOHC I6 / RB20DET 2.0L DOHC Turbo I6 / RB26DETT 2.6L DOHC Twin Turbo I6 (GT-R)
• 1993-1998 Nissan Skyline (R33) - RB20E 2.0L SOHC I6 / RB25DE 2.5L DOHC I6 / RB25DET 2.5L DOHC Turbo I6 / RB26DETT 2.6L DOHC Twin Turbo I6 (GT-R)
• 1998-2002 Nissan Skyline (R34) - RB20DE 2.0L DOHC I6 / RB25DE 2.5L DOHC I6 / RB25DET 2.5L DOHC Turbo I6 / RB26DETT 2.6L DOHC Twin Turbo I6 (GT-R)

Fitment Notes

• Fits Nissan RB-series inline-6 engines: RB20E, RB20DE, RB20DET, RB25DE, RB25DET, and RB26DETT
• This is a bottom end kit - pair with the corresponding Cometic StreetPro top end kit for a complete engine rebuild
• Does not include head gaskets - head gaskets are included in the top end kit
• Kit content may vary slightly by application; confirm contents with packaging before installation

Features

• Cometic StreetPro line - race-proven sealing technology in a complete, affordable bottom end package
• Multiple gasket materials matched to each application: MLS, AFM (Aluminum Foamette Material), and Aramid Fiber
• AFM material features an aluminum core with chemically blown nitrile rubber - excellent torque retention on machined surfaces
• Covers all lower engine sealing surfaces from oil pan to timing cover in one kit
• Engineered to meet or exceed OEM specifications for a leak-free rebuild
• Eliminates the time and hassle of sourcing individual lower engine gaskets and seals separately
• Compatible with stock, mild street, and high-performance RB engine builds including GT-R applications
• Made in the USA to Cometic's exacting quality standards

Specifications

• Part Number: PRO2017B
• Kit Type: StreetPro Bottom End Gasket Kit
• Materials: MLS, AFM, Aramid Fiber
• Engine Application: Nissan RB20E / RB20DE / RB20DET / RB25DE / RB25DET / RB26DETT Inline-6
• Years: 1989-2002
• UPC: 191070005733

Included Components

• 1x Oil Pan Gasket Set
• 1x Timing Cover Gasket and Seal
• 1x Rear Main Seal
• 1x Front Crank Seal
• 1x Water Pump Mounting Gasket
• 1x Oil Filter Housing Gasket
• 1x Oil Pump Mounting Gasket
• 1x Oil Strainer Gasket

Product Description

The Cometic PRO2017B is a StreetPro Bottom End Gasket Kit engineered for the full Nissan RB-series inline-6 engine family - covering the RB20E, RB20DE, RB20DET, RB25DE, RB25DET, and RB26DETT as found in the iconic Skyline R32, R33, and R34 platforms. Every lower engine gasket and seal needed for a complete bottom end rebuild is included, from the oil pan and oil pump to the timing cover, rear main, and front crank seal.

Each gasket uses a material precisely matched to its sealing environment - MLS, AFM, and Aramid Fiber - delivering race-proven sealing performance at a competitive price point. Whether you're rebuilding a GTS-T street car or refreshing a GT-R block, the PRO2017B pairs with the corresponding Cometic StreetPro top end kit for a complete, top-to-bottom rebuild using matched Cometic sealing technology throughout.