Proline® Piston Ring Compressor Kit For 2 or 4 Cycle Small Engines

Proline® piston ring compressor kit for 2 and 4 cycle small engines. 4 sizes of ring clamps ranging from 30mm to 60mm in diameter. Includes block and piston stop.  Made in Italy.  Includes: 4 Ring Clamps Block 2 Piston Stops Replaces Husqvarna OEM #: 502 50 70-01, 502507001 How to use: Place gasket on cylinder base, then slide the flat plate with the slot in it, from front straddling the rod. Then install your piston bearing pin and clips and rings. Select the correct red ring clamp to compress the rings leaving the top 1/8 " of the piston exposed. We recommend you lube the cylinder with a small amount of premix or reg oil whichever is at hand. Then slide the cylinder over the piston and install screws.