120CI & 124CI Performance Pistons For Harley-Davidson M8

Our pistons have been specifically designed to give your engine a boost in horsepower and torque via increasing displacement and compression ratio while maintaining reliability. Tested on the slat flats and made in the USA to our design specs, these pistons are race ready or perfect for giving your road bike an extra kick. Available with a 11:1 compression ratio for road applications or a 12.5:1 compression ratio for race applications, our performance pistons are made from forged aluminium with a moly skirt coating and a ceramic coated crown to improve performance and longevity. Complete with DLC coated Piston Pins, Cir-clips and Total Seal Piston Rings. Requires SE Cylinder Bore and Hone.     FITMENT 107CI – 120CI, 11:1 Compression Ratio. EMP18-00063 Upgrades 2017-Later Touring Models & 2018 Later Softail Models equipped with 107CI M8 Engine to 120CI. 114CI,117CI – 124CI, 11:1 Compression Ratio. EMP18-00064 Upgrades 2017-Later Touring Models & 2018 Later Softail Models equipped with 114CI or 117CI M8 Engine to 124CI. 114CI,117CI – 120CI, 11:1 Compression Ratio. EMP18-00065 Upgrades 2017-Later Touring Models & 2018 Later Softail Models equipped with 114CI or 117CI M8 Engine to 120CI. 107CI – 120CI, 12.5:1 Compression Ratio. EMP18-00066 Upgrades 2017-Later Touring Models & 2018 Later Softail Models equipped with 107CI M8 Engine to 120CI. 114CI,117CI – 124CI, 12.5:1 Compression Ratio. EMP18-00067 Upgrades 2017-Later Touring Models & 2018 Later Softail Models equipped with 114CI or 117CI M8 Engine to 124CI. 114CI,117CI – 120CI, 12.5:1 Compression Ratio. EMP18-00068 Upgrades 2017-Later Touring Models & 2018 Later Softail Models equipped with 114CI or 117CI M8 Engine to 120CI.