Feuling 4057

Designed for engines with radical valve spring pressures and large lift camshafts
Optimize valve - train stability at high RPM, decrease valve float
Maintain maximum valve lift , Increase horsepower & torque output.
Made from hardened steel, CNC machined and precision ground with 0 .700 Diameter rollers
Maintaining proper and critical oil flow to top end with metered oiling
Utilizes standard pushrod seat height, Feuling recommends the use of #4070 Race Series adjustable pushrods or comparable heavy duty adjustable pushrods
Recommended for both strip and high performance street engines
For best results Feuling recommends the use of a high volume oil pump
Made in the U.S.A.

Part # 4057 +0.0015 diameter (0.835 - 0.844)

FITS:

Milwaukee Eight 17 - 26, T/C 99 - 17, XL And Buell 00 - 22

COUNTRY OF ORIGIN:

USA

Disclaimer: Qualified Manufacturer Declared Replacement Part means any aftermarket part intended to replace an original equipment emissions related part and which is functionally identical to the original equipment part in all respects which in any way affect emissions (including durability), or a consolidated part, that has been evaluated and declared by the manufacturer to meet this definition and carry this categorization and designation label. This manufacturer has declared in writing that it has documentation, based upon sound engineering judgment, indicating the replacement part does not reduce the effectiveness of any required emission control device and it does not cause the modified vehicle/engine/equipment to exceed applicable emissions standards for that make/model/year fitment(s) advertised.

FITMENT DISCLAIMER

Fitment information is provided as a general reference only and is not guaranteed for any motorcycle, whether stock or modified. Compatibility may vary by year, model, and individual configuration.

Customers are responsible for verifying fitment prior to purchase. House of Harley-Davidson assumes no liability for purchases made based on incorrect or unverified fitment information.

Please contact our Parts Department with any questions before ordering at 414-282-2211