OS Giken – 5-Speed Close Gear Kit w/ Input Shaft – Mazda RX-7 FC3S
OS Giken close-ratio gear sets offer greatly increased gear strength, along with closer gear ratios to suit racing applications. The retention of normal synchromesh parts and a helical gear design means the gears are still almost as quiet as a standard gear set, so this is an excellent upgrade for street-driven vehicles too.1st Gear: 2.5782nd Gear: 1.7723rd Gear: 1.2894th Gear: 1.0005th Gear: 0.821 Application List * Mazda RX-7 FC3S (R5M-D)Strengthened input shaft Suits applications up to 600hpR5M-D transmission onlyUpon purchasing please let us know what vehicle you would like the set for.
Only logged in customers who have purchased this product may leave a review.
Turbo Cover – TA45/GT42R
Vortex Generator – Mitsubishi Lancer CT9A Evolution 7/8/9
Wide Wheel Arch Flares – Nissan Silvia S15