Engineered from the inside out!
Get ready to experience throttle response like you read about, coupled with the smooth power delivery you've always wanted. Thanks to TP's exclusive MegaTorque intake port and detonation-free combustion chamber, riders will experience an arousing level of useable power across the engine's entire RPM range.
Smooth, quiet, dependable power; unmistakable good looks; quality fit and finish - it all adds up to the Pro-Series® experience.
TP Engineering's Pro-Series® components are engineered specifically for the demands of high-performance applications and manufactured right here in the United States at our Connecticut factory. TP relies on no outside sources to produce their premium engines.
All engines include the innovations you've come to expect from TP Engineering: the patented Smart Pump that routes oil to the oil filter before it enters the engine and delivers a constant flow of oil to the top-end band bottom-end of the engine at all times; the remote-mounted single-fire ignition with crankshaft-position sensor means no more timing lights; patented Pro-Vent® chromed billet rocker boxes; our exclusive Scramjet air cleaner; 7075-T6 billet lifter blocks; forged coated pistons; two-piece billet cam cover with chromed nose-cone; push-button compression releases; forged steel roller rocker arms; and Mikuni 45mm carburetor.
Dress yours up just the way you want it - we give you more options so the engine you buy arrives just the way you want it, and with a factory warranty! Powder coat available.
The TP121 Pro-Series® engine is available in the configuration used to successfully pass U.S. EPA and California ARB standards for exhaust and noise emissions.
NOTE: The TP124 engine in the picture above is no longer available.