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04-620TI - Titanium 3/8 O
Made from billet aluminum and anodized black
Hyper Racing # 04-505
Fits Hyper 600cc and Lightning Sprint Chassis
keep the rubber from breaking and to provide a surface for the bump rubber to work on
Hyper F-C Bump Rubber, Stiff Engine 04-620TI - Titanium 3/8 OHyper Racing # 389 452 The Hyper Racing F C (Full Control) Bump Rubber is 4" tall. The advantage of a tall bump rubber is that it can have a lot of engagement before the spring rate becomes infinite. This happens at about 2 " on this bump rubber. On a normal 2" bump rubber this happens at about 1" of travel. When the spring rate becomes infinite, the car gets really tight. On a wingless car, this can happen on entry when the driver lifts or if there
