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- **Industry-First Dual Bypass Butterfly Valve:** Our cutting-edge valve opens naturally and closes automatically under boost pressure
” we mean it
Roll-Up Bag and Great Design
primary spring
Upgrade in the future
EXHAUST VALVE CONVERSION SET TI-STEEL HUS/HUSQ/KTM UTVS Product - **Industry-First Dual Bypass ButterflyLatest addition to the ProX program is the Exhaust Valve & Spring Kits. This kit is offered as an alternative where the OEM application uses Titanium valves. ProX has now developed the Exhaust Valve & Spring Kits, containing a set of steel intake or exhaust valves plus a set of specially designed stronger valve springs. The ProX kit just replaces the OEM valves & valve springs and can be installed using the OEM retainers, bases and valve seals.
