TRS Billet Aluminum Racing Engine – Small Valve / Big Valve – 3.100"–3.750" Bore

Built for serious small-engine racing applications, the TRS Billet Aluminum Racing Engine is available in Small Valve and Big Valve configurations with bore sizes ranging from 3.100" to 3.750" and stroke options from 3.000" to 3.100". Each engine is precision-machined from billet aluminum and assembled with premium components for maximum durability, performance, and reliability.

Supplied complete with a TRS 42mm or 45mm carburetor, fuel pump bracket, billet carburetor bowl, billet carburetor top, breather tank, 8AN lines, ignition coil, flywheel, connecting rod, beryllium copper valve seats, ductile iron sleeves, chrome header, oil drain system, and air filter. Designed and manufactured by TRS Engineering for racers who demand proven performance and attention to detail.