Item #	Part #	Description
1	N/A	Riser Right Front Cylinder # 1
2	N/A	Riser Left Front Cylinder # 2
3	N/A	Riser Right Rear Cylinder # 3
4L	N/A	Lower Riser Left Rear Cylinder # 4
4U	N/A	Upper Riser Cylinder #4
5	N/A	Muffler
6*	N/A	Muffler Shroud
7*	2-hole Lycoming 77611	Exhaust Gasket (requires 4)