What is the primary benefit of using this HKS piston kit?

This HKS piston kit is designed to increase the VR38 engine's displacement to 4.3 liters. This larger displacement generally leads to improved torque and horsepower output, especially when combined with other performance modifications.

What materials are these pistons made from, and why does it matter?

The pistons are forged from a high-strength aluminum alloy. This material provides a strong yet lightweight option that can better withstand the higher cylinder pressures and temperatures found in performance-oriented or modified engines compared to cast pistons.

Are there any special considerations for installing this piston kit?

Yes, for a build of this nature, it's important to ensure all supporting engine components like the crankshaft, connecting rods, and cooling system are adequate for the increased displacement and potential power output. Proper balancing of the rotating assembly is also critical.

HKS VR38 4.3L Forged Piston Kit 21003-AN011

Name: HKS PISTON KIT VR38 4.3L
Brand: HKS
Price: 4843.52 USD
Availability: InStock

HKS PISTON KIT VR38 4.3L

$4843.52

On Backorder

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

HKS VR38 4.3L forged piston kit. Not CARB approved.

Key Features

This is a 4.3L piston kit for the VR38 engine.
Constructed from high-strength aluminum alloy for durability and reduced weight.
Designed to increase engine displacement to 4.3 liters.
Features a specific skirt design and coating for reduced friction and wear.
Includes all necessary pistons for a complete engine rebuild.
Not CARB approved and cannot be shipped to California.

Secure CheckoutFast Shipping631-982-0042

Product Details

Forged from high-strength aluminum alloy, this HKS piston kit is built to handle the increased demands of a 4.3-liter VR38 engine build. The material choice is crucial here, offering a strong yet lightweight option that can withstand higher cylinder pressures and temperatures compared to cast pistons. This is essential when you're pushing an engine beyond its original specifications, especially for performance applications where reliability under stress is paramount.

This kit is designed to increase displacement to 4.3 liters, which generally contributes to improved torque and horsepower. The pistons feature a specific skirt design and coating, details that HKS engineers have refined over years of motorsport experience, to reduce friction and wear within the cylinder bore. This attention to detail helps ensure consistent performance and longevity, even in high-performance scenarios. The kit includes all the necessary pistons to rebuild your engine's top end for this larger displacement.

When undertaking a 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's cooling and lubrication systems. Proper balancing of the rotating assembly is also critical after installing new pistons and increasing displacement. Always refer to the HKS installation manual for specific torque specifications and procedures to ensure a successful rebuild.