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

• 10-1363 Low Pressure Piston 9:1, qty 2
• 10-1371 Low Pressure Piston O-Ring 9:1, qty 2
• 10-1381 High Pressure Piston 9:1, qty 1
• 10-1332 Spool Valve O-Rings, Heavy Duty, qty 6

How to Install the 9:1 Changeover Kit

How to Replace the Spool Valve O-Rings

How to Slide the Pistons and Collar into the Barrel