The Changeover Kit 4.5:1 enables you to change a 9:1 High Lifter to a 4.5:1 High Lifter, using simple hand tools. Instructions included. It contains the following parts:

• 10-1361 Low Pressure Piston 4.5:1, qty 2
• 10-1369 Low Pressure Piston O-Ring 4.5:1, qty 2
• 10-1379 High Pressure Piston 4.5:1, qty 1
• 10-1332 Spool Valve O-Rings, Heavy Duty, qty 6
• 10-1550 Silicone Grease Minitube

How to Install the 4.5:1 Changeover Kit

How to Install the Spool Valve O-Rings

How to Slide the Pistons and Collar into the Barrel