Briggs & Stratton LO206 Valve Retainer – OEM #555550

Briggs & Stratton LO206 Valve Retainer – OEM #555550The Briggs & Stratton Valve Retainer #555550 is a genuine OEM valve retainer (also called a valve spring retainer or valve keeper seat) for the LO206 kart racing engine. This retainer locks the valve spring in place on the valve stem, keeping the spring compressed and the valve properly seated in the cylinder head. This retainer fits both intake and exhaust valve positions on the Briggs 206 engine. Valve retainers must be in good condition to prevent

the gold anodized finish makes it easy to identify as RLV's solid-style #219 offering alongside split sprockets in your gear setup

Each LO206 racing engine is hand-assembled in Milwaukee

Geometry of the frame unchanged

The throttle slide is a wear item that should be inspected regularly for scoring

and similar classes — where the additional bar length routes cleanly around cooling system components

sold separately)

competitive pricing

most club TaG Cadet series

For air-cooled dual setups

Pairing the right slide color with current weather and track conditions can make a measurable difference in performance

Its sealed design ensures every race is decided by driver skill

The RS3 is a popular upgrade for racers who want precise rear bumper alignment and compliance with CIK-FIA bodywork regulations