JB4 Tuner for 2023+ Toyota Highlander, Crown, Vellfire 2.4L - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) Ours will never wear out

Ours will never wear out like spark plug sockets with rubber or metal tensioners to hold the spark plug in place

depending on your vehicle model

For those who want even colder air

long-lasting appearance

JB4 Tuner for 2023+ Toyota Highlander, Crown, Vellfire 2.4L - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) Ours will never wear outPower gains of up to 55hp on a stock vehicle without the risks of flashing! The JB4 is the most advanced and highly featured tuning system for your 2023+ Toyota Highlander, Crown, & Vellfire 2. 4L. Power gains are up to 40hp to the wheels (55hp crank) on a completely stock vehicle on premium pump gas. Both versions include the JB4PRO adapter and free app built in! The JB4 features a simple plug and play installation harness for easy installation &