RTS Ford Forged Steel Mini Spool, 28 Spline Mini Spool 8.8' .Each Engine mounts and Hinges Residual pressure valves are a

Residual pressure valves are a one-way check valve used to keep a small amount of pressure in your brake lines

Part Number : PFEOS105EL

Quantity:Sold individually

They are made of the same quality black plastic

RTS Ford Forged Steel Mini Spool, 28 Spline Mini Spool 8.8' .Each Engine mounts and Hinges Residual pressure valves are aPart Number : RTS DMS8828 When you want that locked up traction of a full spool in your Ford 9 inch rear end, but your budget or the rules say otherwise, our Premium Forged Steel Mini Spools are just the answer. Mini spools replace the spider gears inside the stock differential carrier, locking both axles together for full power to each wheel. This provides a stronger lock than just welding the gears together. Our mini spools are made of tough 8620