Feuling M8 Oversized 0.843" - 0.8435" Race Series Short Travel Lifters (4018ST)
Feuling M8 Oversized 0.843" - 0.8435" Race Series Short Travel Lifters (4018ST)

Feuling M8 Oversized 0.843" - 0.8435" Race Series Short Travel Lifters (4018ST)

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$319.95
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Description  
  • New revolutionary design with 0.115 of total travel vs. a full travel lifter with 0.200. These hydraulic lifters will increase RPM by decreasing valve float and valve-train harmonics while maintaining a quiet engine. The travel reduction reduces the amount of oil that is required to fill the inside of the lifter which reduces oil aeration inside the lifter on steep, fast action high lift camshaft lobes.
  • When oil aeration is present inside the lifter, the pushrod seat drops when the lifter rolls onto the front cam lobe ramp after squeezing the aeration down thus creating a noisy poor performing lifter.
  • Feuling short travel lifters should be set with 0.065 - 0.070 of pre-load and with the normal engine growth from heat will put the operating lifter pre load at or around half travel.
  • Machined from a steel body and designed to exceed the needs of large lift camshafts and higher valve spring pressures with a slower bleed down rate. RACE SERIES® lifters maintain proper oil flow to the top end, increase engine RPM, valve-train stability, decreasing valve float promoting maximum valve lift.
  • Feuling® recommends Race Series® lifters for engines running higher than 185 Lbs. valve spring seat pressure. FEULING recommends the use of a high volume oil pump which will result in quieter, better performing lifters. Race Series® lifters are compatible with either FEULING® HP+® or Race Series® oil pumps and are designed for use with both street and strip engines. Spin-Tron dyno developed and track proven, Made in the USA.
  • Stock replacement to full out Drag race
  • Adjust FEULING SHORT TRAVEL lifters with 0.065 - 0.070 of pre load on the lifter.
  • Precision ground needle roller bearing with high chromium steel axle for long life and minimal friction
  • Cold forged extra long piston, precision ground and fitted for controlled leak down and pump up
  • High flow disc style quick reacting check valve for better reaction at higher RPM.
  • Recommended for both strip and performance street engines
  • Made in the U.S.A.
  • Feuling® recommends pumping up each lifter by hand prior to installation, to remove all air and provide a fully pumped up lifter. Use of a thin weight oil like ATF in a squirt can works well
Compatible Vehicles
Years Make Make Notes
2018-2019 Harley-Davidson Breakout FXBR 107
2023 Harley-Davidson Breakout FXBR 117
2018-2020 Harley-Davidson Breakout FXBRS 114
2017 Harley-Davidson Breakout FXSB
2017-2021 Harley-Davidson CVO Limited FLHTKSE
2018-2023 Harley-Davidson CVO Road Glide FLTRXSE
2022-2023 Harley-Davidson CVO Road Glide Limited FLTRKSE
2020-2022 Harley-Davidson CVO Tri Glide FLHTCUTGSE
2018-2020 Harley-Davidson Deluxe FLDE 107
2019-2022 Harley-Davidson Electra Glide Standard FLHT
2017-2019 Harley-Davidson Electra Glide Ultra Classic FLHTCU
2018-2019 Harley-Davidson Fat Bob FXFB 107
2018-2023 Harley-Davidson Fat Bob FXFBS 114
2018-2019 Harley-Davidson Fat Boy FLFB 107
2018-2023 Harley-Davidson Fat Boy FLFBS 114
2017 Harley-Davidson Fat Boy FLSTF
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2019-2020 Harley-Davidson FXDR FXDRS 114
2018-2021 Harley-Davidson Heritage Classic FLHC 107
2018-2023 Harley-Davidson Heritage Classic FLHCS 114
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2022 Harley-Davidson Low Rider El Diablo
2018-2020 Harley-Davidson Low Rider FXLR 107
2020-2021 Harley-Davidson Low Rider S FXLRS 114
2022-2023 Harley-Davidson Low Rider S FXLRS 117
2022-2023 Harley-Davidson Low Rider ST FXLRST 117
2023 Harley-Davidson Road Glide 3 FLTRT
2017-2023 Harley-Davidson Road Glide FLTRX
2020-2023 Harley-Davidson Road Glide Limited FLTRK
2017-2023 Harley-Davidson Road Glide Special FLTRXS
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2017-2019 Harley-Davidson Road Glide Ultra FLTRU
2017-2022 Harley-Davidson Road King FLHR
2017-2023 Harley-Davidson Road King Special FLHRXS
2017 Harley-Davidson Softail Deluxe FLSTN
2017 Harley-Davidson Softail Slim FLS
2018-2021 Harley-Davidson Softail Slim FLSL 107
2017 Harley-Davidson Softail Slim S FLSS
2020-2023 Harley-Davidson Softail Standard FXST 107
2018-2021 Harley-Davidson Sport Glide FLSB 107
2018-2020 Harley-Davidson Street Bob FXBB 107
2021-2023 Harley-Davidson Street Bob FXBBS 114
2017 Harley-Davidson Street Glide CVO FLHXSE
2017 Harley-Davidson Street Glide FLHX
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2023 Harley-Davidson Tri Glide Ultra Classic FLHTCUTG
2017-2022 Harley-Davidson Tri Glide Ultra FLHTCUTG
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2017-2023 Harley-Davidson Ultra Limited FLHTK
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