HEL3510 / 3510 - Application Notes 73-98 CHEVROLET/GMC 1500, 2500, 3500 2X, 4X (c, d) 69-01 CHEVROLET/GMC BLAZER, TAHOE, YUKON, SUBURBAN, DENALI, ESCALADE (b, c) 99-06 CHEVROLET/GMC SILVERADO, SIERRA 2X (a, c, d) 2007 CHEVROLET/GMC SILVERADO, SIERRA CLASSIC 2X (a, c, d) 60-93 DODGE 100, 250 4X (c) 70-03 DODGE B100, 200, 300, 400 VAN (c) 73-76 FORD 100, 250 2X (a, c) 75-07 FORD E150, 250, 350 VAN (c) (a) DO NOT USE WITH FACTORY OVERLOAD CONTACT SPRINGS (b) WILL NOT FIT WITH REAR AIR CONDITIONING (c) MOUNTING KIT REQUIRED - 2.5" LEAFS #HEL25250 / 3" LEAFS #HEL25300 (d) VEHICLES WITH 7 LEAVES USE MOUNTING KIT #HEL25400