I bought the rear slots abought ten years ago at a swap meet. paid $85 for them, they are 15x12. I had to sand the one it was very ruff started with 80 grit and worked my way up to 1200 grit. Damn near sanded off my finger prints. front ones cost $125 they were in good shape just needed polished. I took them off when I started popping tubes because of the tire spinning on the rim. I did not want to drill them. But, I bought the bfgoodrich drag radials and they are tube less. So back went on the truck they went. I would like to thank everyone for all the praise. I am curently building a v8 RX7 for my next purely race car. The truck is at it's limit for speed without a cage. As of right now the rx7 has a small block ford in it. But i am considering dropping in a FE and calling it a poor mans cobra. $500 dollars for the car @ 2400lbs. I just ordered a 12 point cage from S&W racecars. I figure that is the only way to keep the rx7 from twisting itself in half with the v8 torque.
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