Race Series® Camchest Kit with Short Travel Lifters — 521 Series grind, chain

FEULING PARTS Race Series® Camchest Kit with Short Travel Lifters — 521 Series grind, chain – 17-24 Touring, 17-25 Trike, 17-23 CVO

0925-1414
7266ST
High-volume Race Series® camchest kit with short travel hydraulic lifters that increase oil pressure and scavenge flow, lower engine and oil temperatures, reduce wet sumping, and include complete hardware for installation. Not for '23–'24 121" VVT models; requires high lift valve springs.
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The Race Series® Camchest Kit with Short Travel Lifters combines a high-volume oil pump and short travel hydraulic lifters to improve oil flow, reduce valve float, and optimize rpm for race engines. ⚙️🏁

Key benefits include a billet 7075 aluminum oil pump that is significantly harder and stronger than the factory unit, short travel lifters with 0.115" total travel to lower valve-train harmonics while keeping the engine quiet, deeper scavenge kidney ports for greater flow volume, and substantially increased pressure and scavenge gear volume for improved lubrication and scavenging.

Additional performance highlights: improved oil pressure and flow, up to double-digit percentage increases in scavenge and pressure volumes on compatible motors, 15°–30° cooler engine and oil temperatures in many applications, magnets in the oil pump for gear and relief valve protection, and measurable dyno gains (test results show ~2 hp and ~2 ft·lb to the rear wheel). 🔧

Installation package: Race Series® high volume oil pump, high flow billet camplate, Reaper® Series 521 camshaft, Race Series® short hydraulic roller lifters, one-piece pushrods, Timken®/Koyo® cam bearings, rocker arm studs and nuts, gaskets, O-rings, ARP® cam/crank fasteners, washers, moly paste and Loctite®. Made in the USA.

Notes: not for '23–'24 models with the 121" VVT motor. Requires high lift valve springs.

: 0925-1414
In Stock

Data sheet

Type
Chain
Units
Kit
Brand
FEULING PARTS
Application
Exhaust, Intake
Grind
521 Series
Exhaust Close
11,5°
Exhaust Duration
243°
Exhaust Lift
0,521"
Exhaust Lift at TDC
0,125"
Exhaust Lobe Centerline
110°
Exhaust Open
51,5°
Intake Close
34°
Intake Duration
231°
Intake Lift
0,518"
Intake Lift at TDC
0,162"
Intake Lobe Centerline
98,5°
Intake Open
17°
Harley Family
CVO
Touring
Trike

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Electra Glide Ultra Classic 107 Touring 2017
Harley Davidson Electra Glide Ultra Classic 107 Touring 2018
Harley Davidson Trike Tri Glide Ultra Classic 107 Trike 2017
Harley Davidson Tri Glide Ultra 107 Trike 2018
Harley Davidson Tri Glide Ultra 107 Trike 2019
Harley Davidson Tri Glide Ultra 114 Trike 2020
Harley Davidson Tri Glide Ultra 114 Trike 2021
Harley Davidson Tri Glide Ultra 114 Trike 2022
Harley Davidson Tri Glide Ultra 114 Trike 2023
Harley Davidson Tri Glide Ultra 114 Trike 2024
Harley Davidson Tri Glide Ultra 114 Trike 2025
Harley Davidson Tri Glide Ultra CVO 117 CVO 2020
Harley Davidson Tri Glide Ultra CVO 117 CVO 2021
Harley Davidson Tri Glide CVO 117 CVO 2022
Harley Davidson Electra Glide Ultra Limited 107 Touring 2017
Harley Davidson Ultra Limited Shrine Edition 107 Touring 2018
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2019
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2020
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2021
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2022
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2023
Harley Davidson Glide Ultra Limited 114 Touring 2024
Harley Davidson Electra Glide Ultra Limited Low 107 Touring 2017
Harley Davidson Ultra Limited Low 107 Touring 2018
Harley Davidson Ultra Limited Low 114 Touring 2019
Harley Davidson Electra Glide Ultra Limited CVO 114 CVO 2017
Harley Davidson Ultra Limited CVO 117 CVO 2019
Harley Davidson Ultra Limited CVO 117 CVO 2020
Harley Davidson Ultra Limited CVO 117 CVO 2021
Harley Davidson Ultra Limited CVO Anniversary 117 Touring 2018
Harley Davidson Street Glide CVO 114 CVO 2017
Harley Davidson Street Glide CVO 117 CVO 2018
Harley Davidson Street Glide CVO 117 CVO 2019
Harley Davidson Street Glide CVO 117 CVO 2020
Harley Davidson Street Glide CVO 117 CVO 2021
Harley Davidson Street Glide CVO 117 CVO 2022
Harley Davidson Road Glide Limited 114 Touring 2020
Harley Davidson Road Glide Limited 114 Touring 2021
Harley Davidson Road Glide Limited 114 Touring 2022
Harley Davidson Road Glide Limited 114 Touring 2023
Harley Davidson Road Glide Limited 114 Touring 2024
Harley Davidson Road Glide Limited CVO 117 CVO 2022
Harley Davidson Road Glide Limited Anniversary CVO 117 CVO 2023
Harley Davidson Road Glide Ultra 107 Touring 2017
Harley Davidson Road Glide Ultra 107 Touring 2018
Harley Davidson Road Glide Ultra 114 Touring 2019
Harley Davidson Road Glide CVO 117 CVO 2018
Harley Davidson Road Glide CVO 117 CVO 2019
Harley Davidson Road Glide CVO 117 CVO 2020
Harley Davidson Road Glide CVO 117 CVO 2021
Harley Davidson Road Glide CVO 117 CVO 2022