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Product Details
| Part Number: | P108021010.BR |
| Brand: | Wagner Tuning |
Upgrade the cylinder head clamping strength of your 2017–2021 Honda Civic Type R FK8 with the Wagner Tuning P108021010.BR Pro-Series 18.8 Cylinder Head Stud Kit. Developed for high-performance K20C1 applications, this kit replaces the factory cylinder head bolts with high-strength reusable studs designed to maintain consistent clamping force under increased cylinder pressure.
As horsepower and boost pressure increase, the factory head bolts can become a limiting factor. Excessive bolt stretch can reduce clamping force and contribute to cylinder head lift or compromised head-gasket sealing. Wagner Tuning's Pro-Series studs are manufactured from specially developed high-strength steel and provide a tensile strength exceeding 1850 N/mm² (270,000+ PSI), making them well suited for modified street, track, and racing applications.
The threads are roll-formed rather than cut, a manufacturing process Wagner states increases thread-flank strength by approximately 30%. The studs also incorporate an internal hex drive for installation and a conical support design at the engine-block side to help transfer clamping loads while protecting the block threads during repeated assembly.
Features
- Genuine Wagner Tuning Pro-Series engine hardware
- Part number P108021010.BR
- Designed specifically for the 2017–2021 Honda Civic Type R FK8
- Engineered for the turbocharged K20C1 2.0L engine
- Direct replacement for the factory cylinder head bolts
- Pro-Series 18.8 high-strength steel construction
- Rated at more than 1850 N/mm² (270,000+ PSI) tensile strength
- Provides increased cylinder head clamping capability for high-performance applications
- Helps combat cylinder head lift under increased boost and cylinder pressure
- Helps maintain consistent head-gasket sealing in demanding applications
- Excellent upgrade for high-boost, high-horsepower, track, and competition builds
- Roll-formed threads rather than conventionally cut threads
- Thread-rolling process increases thread-flank strength by approximately 30%
- Burnished black oxide finish provides long-term corrosion protection
- Internal hex socket allows controlled installation of each stud
- Special conical block-side support design helps protect the engine block threads
- Designed to withstand repeated engine assembly and disassembly
- Reusable design means the studs do not need to be automatically replaced after cylinder-head removal
- Supplied with matching high-strength nuts and washers
- Nuts and washers are also designed around the kit's high-strength fastening system
- Made in Germany
- Ideal for performance street cars, time attack, drag racing, road racing, and other motorsport applications
Includes:
- 10 M11 cylinder head studs
- 10 M11 nuts
- 10 washers
- Assembly lubricant
- Assembly instructions
Designed for High-Output K20C1 Engines
- Increasing boost pressure and engine output places significantly greater loads on the cylinder head and head gasket. Wagner Tuning developed this kit as an upgrade from the original head bolts for applications where increased performance can cause the factory fasteners to elongate and allow the cylinder head to lift.
- The P108021010.BR provides the additional fastening strength needed for serious FK8 engine builds while retaining a vehicle-specific installation. It is an excellent supporting modification when upgrading the turbocharger, fuel system, engine internals, or other components intended to substantially increase K20C1 output.
Reusable Pro-Series Construction
- Unlike factory-style torque-to-yield hardware that may require replacement following disassembly, Wagner Tuning specifically designs its Pro-Series 18.8 studs for reuse. This is particularly beneficial for race engines and heavily modified builds that may be disassembled more frequently for inspection, servicing, or upgrades.
The combination of high-strength material, rolled threads, matching hardware, and a corrosion-resistant burnished finish makes the Wagner Tuning P108021010.BR Cylinder Head Stud Kit a premium fastening solution for builders looking to increase the reliability and head-clamping capability of the 2017–2021 Honda Civic Type R FK8 K20C1 engine.
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 2023 | Honda | Civic | Type R |
| 2024 | Honda | Civic | Type R |
| 2025 | Honda | Civic | Type R |
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