Z Spring Low Profile Ride Height Truck

3 1/2" Width Springs.  Low profile ride height applications.  

S - Series low profile model 1645LP	through 1988
1652SC, 4600LP, 4600UH and 4700LP	1989-01

SRI	OEM	A Front	B Rear	D Pack	Capacity
55-127	1660689C92	25 3/4"	16 7/8"	1 1/2"	20,000 lb
55-1135	1684288C91	25 3/4"	18 7/8"	1 1/2"	20,000 lb
55-1135SBL	1660848C1	Special Order	--	--	Shock Absorber Bracket, Left
55-1135SBR	1660847C1	Special Order	--	--	Shock Absorber Bracket, Right

International Corporate Air Rear Single/Tandem Axle Suspension (Z Beam)

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