Beach RC says.... 

This is a Pro-Spec Shock O-Ring Replacement Kit. The next generation of Pro-Line Shock Technology has arrived: Pro-Line Pro-Spec Shocks! Every last detail has been refined to give you the best performing and best looking Shocks ever made.

The O-Ring Replacement Kit will work with the Front and Rear Pro-Spec Shocks and includes 4 o-rings for the cap, 2 pre-load nut o-rings and 2 low friction X-rings.

Experience the Performance of Pro-Line’s Next Generation Shock Technology for yourself - Get Pro-Spec Shocks!

Click here for Build Instructions

Radio Controlled Car Action - Test Bench: Pro-Spec Shocks

I replaced the shocks on my Pro-Line PRO-2 with the Pro-Specs to test them out at our local track and found them to be more consistent and stable. Through bumpy sections of the track, the Pro-Specs were responsive and provided consistent traction throughout the course. The most important difference in these shocks is their consistency. Throughout an entire evening of racing, the Pro-Spec shocks operated smoothly as expected lap after lap. The Pro-Spec shock kit may be one of the more expensive options on the market, but only by a small amount, and for the attention to detail, added performance, and durability, they’re worth the price! With unique features that change the game, the Pro-Spec kit alongside the PRO-2 SCT is an exciting next step in the evolution of Pro-Line’s race program –Erich Reichert

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6308-04 | Pro-Spec Shock O-Ring Replacement Kit