48mm Core Thickness
Built with a robust 48mm core, it is engineered for the serious performance tuner. Increased capacity means better cooling reserve when you need it. Intended for both circuit and daily use, you may double your coolant capacity and see up to 35% increased performance over your stock radiator. Unless noted otherwise, all Koyorad All Aluminum Radiators are Nocolok brazed, designed as a factory fit, direct bolt in with no engine modifications necessary, and retain mounts for the stock fan shrouds and fans. 

Transmission: M/T

Tech Notes: Has been retrofitted with modern style filler neck. Koyorad SK-C13 or equivalent style cap is required (not included). OEM radiator cap is not compatible. KPGC10 w/ S20 will require modifications.
Manual Transmission only. w/ L20 I6 MT (C10 Chassis) OEM cap is not compatible. Revised filler neck allows use of modern caps Koyorad SK-C13 or equivalent style cap. Radiator will not fit GT-R trim.

Fitment:
1968-1972 Nissan Skyline KGC10 w/ L20 MT.