What is the primary benefit of using forged pistons in an engine build?

Forged pistons are significantly stronger and more durable than cast pistons. This makes them ideal for high-performance applications where engines are modified to produce more horsepower, as they can better withstand the higher combustion pressures and temperatures involved.

What does the 86.5mm bore size signify for the RB26 engine?

An 86.5mm bore size is an upgrade for the RB26 engine, increasing its overall displacement to 2.8 liters. This larger displacement can lead to improved volumetric efficiency and potentially more power output when combined with other performance modifications.

What is the significance of the 'BCD' designation in the HKS piston kit?

The 'BCD' designation refers to a specific combustion chamber design developed by HKS. This design is intended to optimize the combustion process, which can contribute to more efficient power delivery and improved engine response.

HKS RB26 2.8L 86.5mm Forged Piston Kit 21004-AN023

Name: HKS BCD Full Piston Kit RB26 2.8L 86.5
Brand: HKS
SKU: hks-hks-bcd-full-piston-kit-rb26-2-8l-86-5-t14-588325
Price: 10776.83 USD
Availability: BackOrder

HKS BCD Full Piston Kit RB26 2.8L 86.5

$10776.83

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

HKS RB26 2.8L forged piston kit, 86.5mm bore.

Key Features

HKS BCD Full Piston Kit for RB26 2.8L engine builds.
Features an 86.5mm bore size for increased displacement.
Includes forged pistons, known for their strength and durability under high stress.
Designed to handle increased combustion pressures and temperatures in modified engines.
The BCD designation indicates a specific HKS combustion chamber optimization.

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Product Details

HKS is well-known for its high-performance engine components, particularly for Japanese performance vehicles. This BCD Full Piston Kit is a prime example, designed specifically for the RB26 engine to bring it up to a 2.8L displacement with an 86.5mm bore size. If you're building a serious performance RB26, this kit is a foundational piece for handling increased power and stress.

This kit includes forged pistons, which are significantly stronger and more durable than cast pistons. This strength is crucial for engines that are modified to produce more horsepower, as forged pistons can better withstand the higher combustion pressures and temperatures. The 86.5mm bore size is a common upgrade for the RB26, allowing for increased displacement and improved volumetric efficiency. The BCD designation refers to a specific design feature from HKS aimed at optimizing combustion chamber performance, which can lead to more efficient power delivery and better response.

When undertaking an engine build of this magnitude, it's important to ensure all supporting components are up to the task. This includes the crankshaft, connecting rods, and the engine block itself, which will need to be machined to accommodate the larger bore. Proper balancing of the rotating assembly is also critical for engine longevity and smooth operation at higher RPMs. This HKS piston kit is intended for serious engine builders who understand the requirements of a high-performance build.