Seller notes

MCB Performance Center MCB DUAL RING PISTON/TOP END REPAIR KIT POLARIS 700 These Pistons have oiling holes at the intake and exhaust bridge ports. This provides additional lubrication and therefore cooling of the piston and cylinder wall at the most critical area that tends be the hottest and expand / scuff. This is an MCB exclusive design, proven, and tested. The dual ring design improves heat transfer through the upper portion of the piston and rings, prolonging ring life, and increases the in...

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