Displacement is with S&S cylinders and pistons.
Consistent balance and precision machining
Not recommended for compression ratios higher that 10.0:1 for Tri Glide or other three wheel models (including conversion).
Perfect for gear drive camshafts
Connecting rods are designed with Finite Element Analysis (FEA) to eliminate weak spots
Strong assembly eliminates need to weld crankpin
Made in the USA
Includes flywheel, crankpin and connecting rods
Balance gear is installed for easy installation
Heat treated 4140 material is harder and twice as stong as stock