Superior Engineering has become one of the best known Premium 4X4 Accessories and 4WD Suspension autoparts manufacturer and supplier in Australia and around the world. Here at Superior Engineering we strive to use the highest quality materials and expert workmanship to produce premium 4X4 products for our customers.We manufacture and supply a huge range of 4X4 products, accessories and suspension parts for almost every type of four wheel drive vehicle on the market. These include Super Flex and hybrid radius arms, drop boxes, shock absorbers, coil springs, leaf springs, steering arms, shackles, bushes, drop boxes, drag links, tie rods and control arms.The Superior Engineering new coils, designed from the start purely for the best ride and performance available. Superior Springs are designed around the same technology of the coilover race springs which when combined with a good shocks will provide unparalleled performance levels.In most cases, the coil is 20% - 40% stronger then the original OEM spring.This gives better load carrying capacity's for heavier loads and enhances road handling while also improving towing capacities. Specs:Lift Height: 6",Load: up to 100-250kg,Fits Nissan Patrol Y60,Y61,Sold in pairs,