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Home > Polaris > Engine > Decompression Hole Elimination Service
Decompression Hole Elimination Service
for VES & CFI
  Product Information:
Description Retail
Decompression Hole Elimination Service,
Per Cylinder
25.00
Most newer Polaris models are equipped with a decompression hole in the cylinder to make it easier to start.  Over time, the exhaust valves wear on the cylinders allowing compression to bleed off around the exhaust valve.  This reduction in running compression reduces peak RPM and horsepower.  If this problem exists, no matter what you do with clutching, you cannot attain the recommended RPM.  Plugging the decompression holes eliminates this compression bleed off and increases your peak RPM. Cylinders are needed for modification.

Service available for:
• 2003-2005 700 and 800 Big Block
• 2005-2006 900 CFI
• 2008-2010 800 CFI
• 2011-2014 800 CFI


Important Shipping Information: Pack engine parts tightly with a minimum of 2 inches of packing material such as newspaper or cardboard around each part. Insure package for the replacement value of the parts being shipped. We recommend shipping via UPS or FedEx. Please remember to include complete contact information inside your package.

Shipping Address:
SLP Machine Shop
743 E. Iona RD.
Idaho Falls, ID 83401


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