High-Strength Metric Electric Starter Nut for Animal Engines

Launch smoothly with the JRS electric starter nut, metric-threaded for all new Animal engines and 557137 crankshafts. Forged from high-tensile steel, it withstands starter torque without stripping, ensuring dependable engagement every time.

• 5/16" internal and 3/4" external hex for versatile wrenching
• Corrosion-resistant finish for longevity
• Precise fit prevents slippage

This JRSNM (SKU) component organizes your starting system, reducing downtime and letting you focus on dialing in speed for the track. Its robust build means fewer replacements, a boon for busy racers.

Start strong, finish first—this nut's design supports electric starters in demanding conditions, enhancing overall kart readiness.