The Honda K Series Close Ratio Pro-Spec 2 drop-in replacement kit is designed for extreme performance. It is suitable for Early ’02-’05 DC5/EP3 & JDM K-20, and has been proven in circuit racing, such as 2015 UAE NGK Touring Car Championship and 2017 DUBAI 24Hrs. With a gear ratio range from 2.313 to 0.851, it is capable of withstanding up to 500HP. The kit includes a custom main shaft, four custom main shaft gears and six counter shaft gears. The Pro-Spec 2 is an ideal choice for those looking to harness the power of their Honda engine. It works extremely well with a 5.06 (OEM) or 5.08, 5.46, 5.84 GEAR-X Final Drive, optimizing transmission ratios from 1st – 2.313, 2nd -1.650, 3rd -1.304, 4th – 1.080, 5th – 0.958, and 6th – 0.851. Enjoy increased performance and power with the Honda K Series Close Ratio Pro-Spec 2.