Stainless Steel Valves
Description

Hard tuned engines whether street or strip require upgraded valves to maintain reliability under severe conditions.

Regarded as the premium material for high combustion temperatures in forced induction applications, NITTO Oversize Valves are manufactured from one piece high nickel content 21-4N stainless steel.

NITTO Oversize Valves are designed for use in the most demanding conditions ensuring increased strength,fast temperature dissipation and long term durability while increasing flow,horsepower and torque at mid to high RPM levels.

Chrome plated stems are standard on exhaust valves with Black Nitride coating on all intake valves minimizing valve stem wear.

Highlights
  • Chrome-plated exhaust valve stem protects against galling on start up
  • Black nitride coating on intake valves prevent wear on valve stem due to fuel wash down
  • Designed for use in all turbo charged and NOS applications
  • Oversize valves increase flow and horsepower
Parts List
ENGINE MODEL PART NUMBER OVERSIZE NOTES
FORD
BARRA 4L NIT-VAL-BARRA STD IN AND EX OVERSIZE NOT APPLICABLE. MUST USE STD SIZE
MITSUBISHI
4G63 NIT-VAL-4G63 1MM IN AND EX
NISSAN
RB26 NIT-VAL-RB26 1MM IN AND EX  
RB25 NIT-VAL-RB25 1MM IN AND EX  
RB30 NIT-VAL-RB30 1MM IN AND EX  
SR20 NIT-VAL-SR20 1MM IN AND EX  
SUBARU
EJ20 / EJ25 NIT-VAL-EJ25 1MM IN AND EX  
TOYOTA
2JZ NIT-VAL-2JZ 1MM IN AND EX