The Saito FA-325 R5 is a powerhouse five-cylinder radial engine designed to bring exceptional performance, smooth operation, and realistic aesthetics to large-scale RC models. With its robust power output and distinctive radial sound, the FA-325 R5 is the go-to choice for enthusiasts seeking realism and reliability. Precision-engineered and crafted for durability, this engine delivers consistent performance for even the most demanding RC applications.

This engine includes fitted the 

FA-325 / FG-73 R5 Exhaust Ring

This ring is great if you planing on cowling in the engine and exhaust to be directed out the bottom.

The exhaust out let are separate from the exhaust ring, so makes installation very easy.

The exhaust stack is at the bottom and long enough to fit most applications. Simply cut off the excess. When installed, to get a clean look.

This ring is very lightweight and very strong made from aluminum.

Costing over £280 as an extra normally

Specifications:

Displacement: 53.2 cc (3.25 cubic inches)

Practical rpm: 1,500 to 6,500

Recommended Prop Sizes: 22x8 to 24x10
Fuel: Synthetic Oil (Above 20%) with 15~20% nitromethane content
Fuel flow: Approx. 25cc/minute