What is the main benefit of a stroker kit?

A stroker kit increases the engine's displacement by altering the crankshaft's stroke. This generally leads to improved torque output across the RPM range and can contribute to higher overall horsepower potential, especially when combined with other performance modifications.

Why is a low compression ratio important for this kit?

A lower compression ratio is beneficial when planning to use higher boost levels from forced induction. It helps to reduce the risk of engine knock or detonation, allowing for more aggressive tuning and safer operation under increased cylinder pressures.

What other modifications might be needed with this stroker kit?

For an engine build of this scale, it's advisable to ensure your fuel system can supply adequate fuel, your cooling system can manage the extra heat, and your engine management system is properly tuned to take advantage of the increased displacement and potential for higher boost.

HKS FA20 Stroker Kit 2.1L Low Comp 21004-AT003

Name: HKS FA20 CAPACITY UPGRADE 2.1L LOW COMP
Brand: HKS
SKU: hks-hks-fa20-capacity-upgrade-2-1l-low-comp-t14-168796
Price: 4601.34 USD
Availability: BackOrder

HKS FA20 CAPACITY UPGRADE 2.1L LOW COMP

$4601.34

On Backorder

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

HKS FA20 2.1L low compression stroker kit. Increases displacement for improved torque and power potential.

Key Features

Fits FA20 engines.
Increases engine displacement to 2.1 liters.
Features a lower compression ratio for improved boost tolerance.
Includes a crankshaft and connecting rods designed for increased displacement.
Built to handle higher boost levels and aggressive tuning.
Not CARB approved; cannot ship to California.

This stroker kit is designed for the FA20 engine. Please consult with a professional to confirm compatibility with your specific vehicle model and year.

Secure CheckoutFast Shipping631-982-0042

Product Details

Starting with a 2.1-liter displacement increase, this HKS stroker kit for the FA20 engine is built for those looking to significantly boost their engine's potential. The kit's design focuses on a lower compression ratio, which is crucial for managing the increased cylinder pressures that come with higher boost levels from turbochargers or superchargers. This makes it a solid foundation for building a high-performance engine that can handle more aggressive tuning and forced induction setups.

The core of this kit includes a specially designed crankshaft and connecting rods, forged from strong materials to withstand the demands of increased power output. The crankshaft's stroke is carefully calculated to achieve the 2.1-liter displacement, directly contributing to improved torque across the RPM range. By lowering the compression ratio, the kit helps prevent detonation or pre-ignition issues when you start adding more boost, giving tuners more flexibility and safety margin. This is a substantial upgrade that requires careful installation and tuning to realize its full benefits.

When undertaking an engine build of this magnitude, it's important to consider all the supporting modifications. This includes ensuring your fuel system, cooling system, and engine management are all up to the task. The HKS stroker kit is a significant investment in performance, and proper installation and tuning are key to unlocking its capabilities and ensuring long-term reliability.