659705 Manifold 3.5ccm – Long

FX Royal Racing Engines Small Radius LONG Off-road Manifold replaces the previous manifold #659702.

For maximum performance and reliability, use only original FX manifolds.

There are different types of FX manifolds, each designed for particular track conditions and specific engines to help optimize performance for the majority of track conditions. However, for some specific track conditions (or to some fine tune engine settings), you may want to change to a different manifold.

Manifold recommendations:

• Short Manifold: Recommended for tracks with long main straights to achieve the highest RPM, but has reduced bottom-end performance in the low-RPM range.
• Medium Manifold: Recommended for medium (“standard”) sized tracks.
• Long Manifold: Recommended for short tracks where bottom-end, lower-RPM performance is required.