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Trails West
CUSTOM TRUCK 4x4 SUPERCENTER
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General Motors
 

Model Year Part # MTKT REQ'D Rating (lbs) ** Special Instructions
C/K 1500 1/2 ton  73-87 SSA5 or 8 YES 2000, 3000  Use SSA8 for HD use
C/K 1500 1/2 ton (C/K changed to 2x4,4x4 in 1999) 88-98 SSA6 or 9 YES 2000, 3000 Use SSA9 for HD use
1500 1/2 ton 2x4;4x4 99-12 SSA5 or 8 YES 2000, 3000  Use SSA8 for HD use
1500 HD 10-Jan SSA10 MXKT 3000 8 lug wheel
1500 HD 12-Nov SSA16  MXKT 3000 8 lug wheel
K 2500 3/4 ton 73-87 SSA8 or 12 MXKT 3000, 4000 Order MXKT mounting kit 
C/K 2500 3/4 ton (with factory top overloads) 88-00 SSA16 or 13 NO* 3000, 5000 *If no factory overload - MXKT required
C/K 2500 3/4 ton (without factory top overloads) 88-00 SSA16 or 13 MXKT 3000, 5000 Order MXKT mounting kit 
2500 HD, 3500 HD 2x4,4x4 (no factory top overloads) 10-Jan SSA10 or 15 MXKT 4000, 5000 Order MXKT mounting kit 
2500 HD 2x4,4x4 (no factory top overloads) 12-Nov SSA16 or 13 MXKT 4000, 5000 Order MXKT mounting kit 
C/K  3500 1 ton HD,WT,UT, Cab Chassis (with factory top overloads) 91-02 SSA22 NO 5000+  
C3500 HD (no factory top overloads) 88-00 SSA16 or 13 MXKT 3000, 5000 Order MXKT mounting kit 
C3500 HD/WT SRW/DRW (with factory top overloads) 10-Feb SSA10 or 23 NO 4000, 5000 Use SSA23 for HD use
C3500 HD/WT SRW/DRW (with factory top overloads) 12-Nov SSA16 or 13 NO 5000+ SSA13 for extra HD commercial appl.
C3500 HD Cab/Chassis 12-Jan SSA23 NO 5000 Trim rear shackle legs for upper bolt use
C4500 / C5500 10-Mar SSA22 or 17 NO 6000 + C5500 use SSA17 only
TAHOE, YUKON 1/2 ton 92-99 SSA5 or 8 YES 2000, 3000 Use SSA8 for HD use
YUKON XL 3/4 ton 92-04 SSA8  YES 3000  
AVALANCHE 3/4 ton only 4-Feb SSA8  YES 3000  
S-10 PICK-UP / SONOMA (use upper shackle roller position in front) 82-03 SSA2 or 7 NO 1800, 3000  SSA7 for HD use
COLORADO / CANYON 12-Apr SSA3 NO 1800  
K5  BLAZER / JIMMY / BRAVADA 73-94 SSA5 or 8 YES 1800, 3000 Remove factory bumpstops
SUBURBAN 1500 (if rear a/c use SSA7*) 73-01 SSA8* YES 2000, 3000 SSA8 for HD use.Always avoid A/C lines
SUBURBAN 2500  73-12 SSA8 YES 3000 MUST Avoid A/C lines
G-1500 SAVANA / EXPRESS VAN ( & Conversion Van) 96-12 SSA14 YES 3000 Short shackle rear - AVOID a/c lines
G-2500 SAVANA/EXPRESS VAN 96-12 SSA8 or SSA12 YES 3000, 4000 SSA12 for HD use -AVOID a/c lines
G-3500 SAVANA/EXPRESS VAN 96-12 SSA12 YES 4000 Square shackle to rear
EXPRESS 139" 159" 177" WB CUTAWAY 3500  96-12 SSA16 or 13 NO 3000, 5000 SSA13 for HD.Check vertical clearance
EXPRESS 159" WB CUTAWAY 4500 96-12 SSA23 or 24 NO 4000, 5000 SSA24 for HD.Check vertical clearance
ASTRO / SAFARI VAN (steel multi-leaf) - special shackle reqd. 96-05 SSA2 or 7 YES 1800, 3000 Special order short shackles for rear
W-Series 3500/4500/5500 (for 08-11 models remove front spring-clip) 00-11 SSA22 NO 5000+ (08-11 Diesels require mod. to PSP1)
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