JE Pistons Ultra Series Forged pistons 10.0:1 compression (Honda K20 engines)
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JE Pistons Ultra Series Forged pistons 10.0:1 compression.
Ultra Series forged pistons from JE are the industry’s strongest and most fully featured pistons available off the shelf. This kit is built for Honda and Acura K20A/K24A engines and comes equipped with the following Custom Level Features: Accumulator Groove, Smooth Crown Finish, Pin Fit, Thermal Crown, Lateral Gas Ports, and Skirt Coat. Ultra Series pistons also feature JE’s proprietary Aligned Grain Flow Forging. This technology provides next-level tensile strength which is ideal for the extreme cylinder pressures of power adder engine builds. Proudly made 100% in the USA.
Standard Features
- JE’s proprietary Aligned Grain Flow forging technology providing next-level tensile strength ideal for the extreme cylinder pressures of power adder engine builds.
- Designed specifically for Honda and Acura K20a/K24a Engines. To provide optimized performance durability
- Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
- Made 100% in the USA
-Set of 4 pistons
-Including piston rings
Piston Specifications:
- Comp height: 29,87
- Deck clr: 0,13-
- Dome/Dish: please request per bore size
- Material: 2618 T6 high tensile forged aluminum
- Wrist pin: 22mm straight carbon steel
- Kit: Includes pin fitting, wire locks and piston rings
Please select the preferred bore size in the drop down menu.
JE-361270 86mm
JE-361271 86.25mm
JE-361272 86.5mm
JE-361273 87mm
JE-361274 87.5mm
JE-361275 88mm




