Diagrams:

Trailing Arm
(click to enlarge)

S8304	65-67	TRAILING ARM ASSEMBLY - R&R deluxe, LH (Exchange item or $395.00 core charge)	599.95
S8305	65-67	TRAILING ARM ASSEMBLY - R&R deluxe, RH	524.95
S8197	65-67	TRAILING ARM ASSEMBLY - new, LH	934.95
S8198	65-67	TRAILING ARM ASSEMBLY - new, RH	964.95