Pro Series Nissan 2.6L GTR RB26DETT Cylinder Head Stud Kit

• Fits Nissan RB-series inline-six applications; verify RB20/RB25/RB26 engine compatibility before ordering

• Cylinder head stud kit with 12-point nuts hardware and 35 Chromoly Steel construction for performance engine builds

• Provides strong, consistent clamping force to support head gasket sealing and cylinder pressure control

• Application-specific torque procedure listed in specs: 3 Steps up to 90ft-lbs with Lube

Upgrade your Nissan RB inline-six build with a Pro Series cylinder head stud kit engineered for stronger clamping force, accurate torque readings, and reliable cylinder head sealing. Built for performance engine assembly, this kit helps improve head gasket retention and long-term durability under higher cylinder pressure.

Improved Head Alignment & Clamping
Stud-style fasteners help guide the cylinder head into position during assembly while providing strong, consistent clamping force for improved head gasket sealing.

Performance Fastener Construction
Constructed from 35 Chromoly Steel with a Black finish, this kit is designed for strength, corrosion resistance, and dependable performance during demanding engine operation.

Torque-Specific Installation
Designed for the listed application torque procedure: 3 Steps up to 90ft-lbs with Lube. Always follow the correct torque sequence, lubricant instructions, and any re-torque requirements for your engine.

Complete Application-Specific Kit
Sold as a kit with a dual-thread design: M12x1.5 threads on the block-side end and M12x1.25 threads on the stud/nut-side end. Verify cylinder head style, block thread size, and application notes before installation to ensure proper fitment.

What torque procedure does this stud kit require?
A 3-step sequence up to 90 ft-lbs with lube: step 1 at 30 ft-lbs, step 2 at 60 ft-lbs, step 3 at 90 ft-lbs.

What thread sizes does this kit use?
Dual thread design — M12x1.5 on the block-side end, M12x1.25 on the stud/nut-side end. Confirm this matches your block and nut hardware before ordering.

Will this fit an RB20 or RB25 engine?
Not unless specifically confirmed — this kit is designed for RB26DETT applications and is not automatically compatible with RB20 or RB25.

What are these studs made of?
35 Chromoly Steel with a black finish.

What nut style is included?
12-point nuts.

Is this sold as a full kit?
Yes — sold as a complete kit for the RB26DETT application.

What vehicles use the RB26DETT?
The Nissan Skyline GT-R (RB26DETT equipped), as well as RB26DETT swap and performance builds.

Do I need to use lubricant during installation?
Yes — the torque procedure specifies lube. Always follow the correct torque sequence and lubricant instructions for your engine.