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DONOVAN SPRING IS AN AUTHORIZED DISTRIBUTOR & INSTALLATION FACILITY FOR TIMBREN.  TIMBREN SES KITS ARE EASY TO INSTALL BUT IF YOU RUN INTO A PROBLEM WE CAN HELP OR IF YOU PREFER WE CAN INSTALL IT FOR YOU. 
CALL OR E-MAIL US FOR AN APPOINTMENT.

PETERBILT Medium/Heavy duty conventional	YEAR	FRONT		REAR
		REGULAR	HD	REGULAR	HD
330	1996-99	MSR001(wd)	-	RESOS1(d)	-
357, 338, 359	1987-08	PF357	-	RESOS1(d)	URMDB(d)
200	1993-00	PF200	-	PR200	-
224, 227	1989-92	PF227	-	PR227	-
Rear air springs...with 4" leaf	-	-	-	PTA200(wd)	-
Rear air springs...with 3-1/2" leaf	-	-	-	FR800LPM	-
Rear leaf springs	-	-	-	URMDH(d)	-
(d) drilling required  -  (p)  professional installation required  -  (w) welding required  -  (wd) welding & drilling required