Tillotson HL348E High-Speed Adjustable Needle - OEM Part 43-966 - Open Class Engine Mount Compatible with USA pattern wheels

Compatible with USA pattern wheels

Racers benefit from hassle-free refuels

If you want to run with the best engines in the Modified or Open classes

Q: Do I need to hone the cylinder before installing this new ring

Remove the drain plug

Tillotson HL348E High-Speed Adjustable Needle - OEM Part 43-966 - Open Class Engine Mount Compatible with USA pattern wheelsDialing in the high speed fuel circuit is the definitive difference between pulling away on the main straight and getting swallowed by the pack, which is why serious racers demand premium performance parts for their carburetors. The Tillotson HL348E High Speed Adjustable Needle (OEM Part 43 966) is engineered to deliver surgical precision over your fuel mixture at wide open throttle. When your butterfly valve is fully open, this needle dictates the