O.S. P4 Turbo Glow Plug "Ultra Hot"

This is the P4 "Super Hot" Turbo Glow Plug for use in the OS Max.21 VZ-R, V-Spec,.12 TR and.18 TZ/TM and other O.S. Turbo head engines.

Features: Super Hot Type Plug Designed for reliable low speed and more torque at acceleration Suitable for 20% to 30% nitro fuel Ideal for novice drivers allows easy starts and better idling