ID: 31680 (KIT-KJ001)
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CNC Ball Bearing Ver.II / Ver.2 Spring Guide.7mm Ball Bearing set of 6 pcs.OEM Polycarbonate Ball Bearing Piston Head with silent bumper head.
Manufacture direct reinforced spare internal parts. Great value, great reliable JG OEM parts. The piston head may be black or white in color depending on batch.
(Write a review)
"This is the best upgrade for the $$ for a KA P90. Beautiful parts. Head works well. Good seal. The spring guide fits perfectly and yes the KA uses all 7mm bushings so these bearings help a lot.
Overall this upgrade added 14-15 FPS and about 2 RPS. (Although i did have to re-shim when adding these bearings so be SURE to add a shim set when ordering this or your headed for grind city). Which for a very low cost upgrade /repair kit was better than expected. I'm guessing the fps came from the better Head and thicker base of the spring guide. The rps from re-shimming and better bearings.
NOTE: If you are ordering this for a KA /KS P90.... also get the tappit plate. No sense at all opening your gear box without throwing out the worthless plastic plate they put in stock.
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