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  1. #1

    Default Help choosing front shocks for 1999 K1500...

    Two questions... One, is there a brand or mode you all prefer for mostly street duty with 17" steel wheels and 255/70/17 AT's wrapped around them? Only a one inch lift in back, so mostly stock. Two, when I went to look at compatible shocks online, it offered three sizes for the front of the 4WD 'burb. I think it might've roughly been 17", 19", and 21" sizes. Which is correct for a stock front end?
    I like you.

  2. #2
    Sr. Apprentice cmcolfax's Avatar
    Join Date
    Nov 2013
    Mechanicsville, VA


    Here is the research I have done on shocks for my Burb.

    On my F150 with a mild (+/- 2.5") lift I ran F250/F350 shocks because they were longer / more travel.

    Have learned there is no difference in part #'s or sizes between Chebby 1500 and 2500 shocks.

    I am planning a F150 Torsion Bar Key swap (+/- 2" - 2.5" lift) and Full Length AAL (+/- 2" - 2.5" lift) in the spring.

    Like Monroe Gas Magnums... good combo of price, ride, load carrying etc...

    Like Monroe Reflex MonoTubes... supposed to be a "higher performace" shock than the Gas Magnum... Not sure if they are worth the add'l $ though.

    Also like Rancho RS5000's... fair price, stiff ride, available in slightly longer sizes (1-2.5" lift)

    Following are the measurements & prices per RockAuto:

    MONROE GAS MAGNUM P/N 34798 Front
    Compressed: 11.375"
    Extended: 16.50"
    Travel: 5.125"
    Price: $28/ea

    RANCHO RS5000 (1-2.5" Lift) P/N RS5152 Front
    C: 11.625"
    E: 17.75"
    T: 6.125"
    P: $47/ea

    C: 11.375"
    E: 16.625"
    T: 5.25"
    P: $43/ea

    MONROE GAS MAGNUM P/N 34763 Rear
    Compressed: 14.625"
    Extended: 23.875"
    Travel: 9.25"
    Price: $25/ea

    RANCHO RS5000 (1-2.5" Lift) P/N RS5190 Rear
    C: 15.875"
    E: 26.25"
    T: 10.375"
    P: $47/ea

    C: 14.75"
    E: 23.75"
    T: 9.0"
    P: $43/ea


    Some stuff with wheels and motors...

  3. #3


    In my opinion and the opinion of many others on this site, the best shocks you can get for a GM truck are Bilstein. I ran a set of monroe reflex on my 2003, lasted 6 months, I pulled them off and they no longer would extend. I just pulled a set of reflex monotubes off my 2005, lasted a year. Same thing would not return. I warrantied them out and sold the new to another poor sucker on CL. I replaced them with Bilsteins, far superior ride over the monroe that I had on it. I ran gabriels on my 2002, they lasted 6 years. Not bad, but I would rather spend the money and get something that rides nice and is going to last more than a year. Bilstein makes multiple length shocks for different application, checkout or I know shockwarhouse has tons of info on their site, but their customer service stinks, so I get my info there and order from autoanything.

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors,
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

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  5. #4
    Master Mechanic
    KyleZ71's Avatar
    Join Date
    Jun 2010
    York and Wilkes Barre, PA


    On other sock questions I agreed with Pikey so I will back him up again. I had the monroe reflex shocks on my truck and honestly thought they were junk after they began to wear (4 months). I bought the Blisten heavy duty shocks and will never buy anything else!
    Objects in mirror are losing

    2003 Chevy Silverado Z71, 5.3L, K&N 57 series, 2.5'' Flowmaster Super 10 series dual exhaust , Corvette Servo, McNew Automotive Dyno tune, SS gauge cluster, Extang Trifecta Tonneau, Pacesetter shorty headers, Goodmark cowl hood, Sony Xplod speakers, Kenwood DDX-470 exhaust tips, 16" Ultra Badlands polished wheels, Pirelli Scorpion ATR .

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  7. #5


    Quote Originally Posted by KyleZ71 View Post
    On other sock questions I agreed with Pikey so I will back him up again. I had the monroe reflex shocks on my truck and honestly thought they were junk after they began to wear (4 months). I bought the Blisten heavy duty shocks and will never buy anything else!
    ^ this! I wouldn't use a Monroe reflex on my truck bed trailer, let alone my daily driver. They last about as long as a dart in a whirl wind. The Monroe senda tracs or ok. They lasted on my s10 for about a year an a half. By far a smaller truck than a silverado lol. I'm also a fan of kyb shocks I just purchased a new set of kyb for my wife's Tahoe.

  8. #6
    Jr. Engineer Jamm3r's Avatar
    Join Date
    Dec 2012
    Minneapolis area


    I have the Rancho 5000 series front and rear. They have lasted, and for better or worse it is a notably firmer ride.
    Minneapolis area - 1997 K2500 regular cab long bed + 8.5' Western Unimount plow + modified transmission + 2nd battery + modified camper charge circuit + 1971 Cayo camper -and- 2004 4x4 Suburban 2500 8.1 + Maxbrake controller + 2nd battery + modified trailer charge circuit + Reese receiver, pulls 30' Airstream trailer

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