Specifications
- Brand
- HKS
- Part #
- 21004-AN011

HKS Forged Piston Kit RB26DETT 2.8L STEP ZERO - 86.5mm Bore
$4686.88
HKS RB26DETT 2.8L forged piston kit, 86.5mm bore.
Key Features
- Fits RB26DETT engines with an 86.5mm bore.
- Forged aluminum construction offers superior strength and durability compared to cast pistons.
- Designed for 2.8-liter engine builds.
- Includes pistons, rings, wrist pins, and locks for a complete engine build solution.
- HKS is a well-known manufacturer of high-performance engine parts.
Product Details
HKS is well-known for its high-performance engine components, and this forged piston kit for the RB26DETT engine is a prime example of their dedication to motorsport. This kit is designed to help you build a robust 2.8-liter engine with an 86.5mm bore, suitable for serious engine builds where reliability and performance under stress are paramount. If you're rebuilding the top end of your RB26DETT and aiming for increased displacement and strength, this kit is a solid foundation.
Crafted from forged aluminum, these pistons are significantly stronger and more durable than cast pistons. This makes them ideal for engines that will see high boost pressures and aggressive tuning. The 86.5mm bore size is a common step for increasing the RB26DETT's displacement to 2.8 liters, offering a good balance between power potential and engine longevity. HKS designs these pistons with specific profiles and ring land configurations to work seamlessly with their other performance engine components, ensuring a well-matched and reliable assembly. The kit includes pistons, rings, wrist pins, and locks, providing a complete package for your engine build.
When installing this kit, it's crucial to follow the manufacturer's detailed specifications for clearances and assembly. Proper balancing of the rotating assembly is also essential for optimal performance and engine life. Remember that this kit is not CARB approved and cannot be shipped to California. Always consult your engine builder or a qualified mechanic to ensure this kit meets the specific requirements of your project.
Specifications
- Brand
- HKS
- Manufacturer Part #
- 21004-AN011
Frequently Asked Questions
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HKS Forged Piston Kit RB26DETT 2.8L STEP ZERO - 86.5mm Bore




