The Story
The SG-B078-GS5 0.787 Ratio Pro Series GSR 5th Gear Set is a carbon-lined 5th-gear synchro from Synchrotech, engineered for Honda/Acura B18B LS, Honda/Acura B18C GSR & Type R transmissions. Carbon friction material grips faster and wears longer than factory brass, delivering smoother, more consistent shifts under hard use — on the street, strip, or track.
Why upgrade to carbon synchros:
- Faster, smoother engagement and reduced grind
- Superior heat and wear resistance vs. OEM brass
- Ideal for high-horsepower, high-RPM and track use
- Direct-fit replacement — no transmission modification required
Backed by Synchrotech quality and shipped fast from Speedzone Performance.
Description
The SG-B078-GS5 0.787 Ratio Pro Series GSR 5th Gear Set is a carbon-lined 5th-gear synchro from Synchrotech, engineered for Honda/Acura B18B LS, Honda/Acura B18C GSR & Type R transmissions. Carbon friction material grips faster and wears longer than factory brass, delivering smoother, more consistent shifts under hard use — on the street, strip, or track.
Why upgrade to carbon synchros:
- Faster, smoother engagement and reduced grind
- Superior heat and wear resistance vs. OEM brass
- Ideal for high-horsepower, high-RPM and track use
- Direct-fit replacement — no transmission modification required
Backed by Synchrotech quality and shipped fast from Speedzone Performance.
