Universal PRO210 Springs Diameter 65mm - Length 7 inch - Spring Rate 14.0kg/mm - Pair by Tanabe (TP6514K7IN)
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Tanabe Springs - Pro210: PRO210 is a fixed diameter, linear high performance coil spring for use on adjustable coilover suspensions. PRO210 is used on all Tanabe Sustec Pro suspensions, and the technology developed for PRO210 is used in ALL Tanabe performance coil springs.
The PRO210 spring was developed through rigorous R&D spanning many years and tested on JGTC and N1 endurance cars on Japan's fastest circuits. Due to the constant stresses involved in N1 endurace racing, our involvement was necessary to produce a spring of extreme quality, lightweight, extreme durability, and exact specifications to meet the needs of circuit racing.
Various materials were tested, and it was found that SWI200 steel alloy would prove to be the most durable if manufactured properly. Materials such as titanium were tested, but titanium had exhibited shortened durability and was also very expensive. Through a highly advanced manufacturing process, an amazing tensile strength of 2100nm was acheived using only SWI200 steel alloy. No other manufacturer has been able to reach this level of strength in a coil spring-- even those that use more expensive materials to strengthen their coil spring.
*ALL TANABE PRO210 SPRINGS ARE SOLD AND PRICED ‘IN PAIRS’ – FOR A COMPLETE SET OF 4 YOU NEED TO ORDER QUANTITY 2*