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What does a powervalve do? It gives you more low end to mid range power. This makes the powerband broader, somewhat like a 4-stroke. There is no more peak horsepower over a standard cylinder. Powervalve cylinders work the best in tight conditions like woods riding or MX, however they are nice to have no matter what kind of riding you do!
NEW! NEW ESR POWER VALVE CYLINDER KITS COME COMPLETE WITH A FULLY PORTED
ESR POWER VALVE CYLINDER, NEW CNC MACHINED BILLET ALUMINUM POWER VALVE ASSEMBLY, BILLET 2-PIECE HEAD KIT, NEW PISTON KIT, BILLET WATER NECK, GASKETS AND NEW HARDWARE.
What does a powervalve do? It gives you more low end to mid range power. This makes the powerband broader, somewhat like a 4-stroke. There is no more peak horsepower over a standard cylinder. Powervalve cylinders work the best in tight conditions like woods riding or MX, however they are nice to have no matter what kind of riding you do!
Powervalve cylinders are available in 310, 330, and 350cc's. They can aslo be ported for a different stroke. Color options include blue, red, black and bare aluminum. Powevervalve, head, and water-neck fitting can also be any of these colors.
Don't forget that we also take orders over the phone, we would be happy to help you with any questions you might have about your cylinder purchase 805-489-1999.
Porting Options: .
TRX9 All-Around Porting (Mid Range) Our TRX9 cylinder is fully ported for mid-range and top end power. The porting allows for terrific performance at higher RPM’s, without sacrificing low-end punch and ridability. Great for Duners or TT racers.
TRX11 Drag Porting (Top End) The TRX11 is an extreme port job that takes top end performance to the next level! Ported for all out high revving power, this cylinder redefines “top-end performance”. This cylinder is for drag racing and hill shooting only. ADD $200 FOR TRX 11 PORTING
Other Options:
· If you have a long rod crank 87-89’ model years you will need a .190 spacer plate.
· Billtet Exhaust flange
· If you have a different stroke please call to order
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