Up for sale is WISECO 1995-1997 Big Boss 400L 6X6 Polaris PISTON KIT 83.00/STD POL. The vendor part number is 675M08300. Please read the title to know what is for sale All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of today�s cylinder bore compositions Wiseco�s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today�s market place.