{"product_id":"ball-joint-kit-78-87-chevy-gmc-jimmy-blazer-k5-gm-8-5-10-bolt","title":"Spicer Front Upper \u0026 Lower Ball Joint Master Kit for 1978-1987 Chevy \u0026 GMC K10, K5 Blazer, Jimmy \u0026 Suburban (GM 10-Bolt \/ Dana 44, Both Sides)","description":"\u003cp data-path-to-node=\"6\"\u003eEliminate loose steering play, fix front-end \"death wobble\" tendencies, and restore original factory handling to your square-body truck or SUV with this genuine \u003cb data-path-to-node=\"6\" data-index-in-node=\"161\"\u003eSpicer Front Upper \u0026amp; Lower Ball Joint Master Kit\u003c\/b\u003e. Specifically engineered as a high-durability, direct original equipment replacement for \u003cb data-path-to-node=\"6\" data-index-in-node=\"299\"\u003e1978–1987 Chevrolet and GMC 4x4 vehicles\u003c\/b\u003e, this package contains all the primary heavy-duty structural components required to fully rebuild both the driver and passenger side steering knuckles on corporate GM 8.5L 10-bolt or open-knuckle Dana 44 solid front axles.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eOn classic GM square-body four-wheel-drive platforms, the front steering knuckles pivot on a dual ball joint design to translate your steering inputs while supporting the full structural weight of the vehicle’s front end. Over decades of heavy farm use, highway cruising, or off-road trail riding with oversized mud tires, the internal seats of these factory ball joints naturally wear out, dry up, or experience water entry. Worn ball joints introduce dangerous play into the front axle knuckles, causing steering wheel wander, loose responsiveness, uneven tire tread wear, or clunking noises over bumps. Left unaddressed, severe ball joint wear alters front wheel alignment, strains your steering gear box, and risks structural component separation on the road or trail.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eThis original equipment manufacturer (OEM) replacement master bundle features heavy-duty ball joints forged from premium-grade steel, heat-treated for maximum fatigue resistance, and precision-machined to exact factory tolerances. Sourcing a genuine Spicer kit ensures a perfect press-fit into your factory inner C-axle ears, eliminating the risk of loose housings or premature component failure. To match vintage factory performance and demanding off-road duty, these premium replacement units are engineered with a grease-service architecture, allowing you to flush away moisture, road salt, and trail grit during routine maintenance.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eKit Contents (Complete Set Overhauls Both Front Knuckles):\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e(2) Genuine Spicer Premium Heavy-Duty Upper Ball Joints\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e(2) Genuine Spicer Premium Heavy-Duty Lower Ball Joints\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003eComplete Set of Factory-Spec Castle Nuts, Cotter Pins, and Retaining Hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003eSpecialized Knuckle Threaded Adjustment Sleeves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eKit Highlights:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eComplete Dual-Side Restoration:\u003c\/b\u003e Supplies exactly enough factory-correct upper and lower ball joints to fully overhaul both the left and right front steering knuckles simultaneously.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eGenuine Spicer Forged Strength:\u003c\/b\u003e Precision-manufactured by the industry's benchmark drivetrain supplier to guarantee uncompromised structural integrity, exact metallurgical limits, and a long operational lifespan.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eGreaseable Service Design:\u003c\/b\u003e Features integrated lubrication paths and grease fittings, letting you easily flush out trail contaminants to maximize internal ball-and-socket service life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eRestores Steering Tracking:\u003c\/b\u003e Eliminates internal knuckle play to instantly solve lane wander, reduce front-end vibration, and prevent premature wear on expensive light truck or off-road tires.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"13\"\u003e\u003cb data-path-to-node=\"13\" data-index-in-node=\"0\"\u003eVehicle \u0026amp; Axle Fitment:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003eAxle Profiles:\u003c\/b\u003e Corporate GM 8.5-Inch 10-Bolt Solid Front Axles and Open-Knuckle Dana 44 Front Axles. \u003ci data-path-to-node=\"14,0,0\" data-index-in-node=\"101\"\u003eDoes not fit heavy-duty Dana 60 1-ton front axles or later independent front suspension (IFS) configurations.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cb data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"\u003eChevrolet \u0026amp; GMC K10 \/ K1500 Pickup:\u003c\/b\u003e 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, and 1987 4x4 models (including V10\/V1500 designations).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cb data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003eChevrolet K5 Blazer \/ GMC Jimmy:\u003c\/b\u003e 1978–1987 full-size 4x4 models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,3,0\"\u003e\u003cb data-path-to-node=\"14,3,0\" data-index-in-node=\"0\"\u003eChevrolet \u0026amp; GMC K20 \/ K2500 Pickup:\u003c\/b\u003e 1978–1987 3\/4-ton 4x4 trucks running the 10-bolt front axle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,4,0\"\u003e\u003cb data-path-to-node=\"14,4,0\" data-index-in-node=\"0\"\u003eChevrolet \u0026amp; GMC Suburban:\u003c\/b\u003e 1978–1991 K10\/K20 4x4 family utility models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,5,0\"\u003e\u003cb data-path-to-node=\"14,5,0\" data-index-in-node=\"0\"\u003ePosition:\u003c\/b\u003e Front Axle Steering Knuckle — Left (Driver) and Right (Passenger) Sides (1 Kit Overhauls Entire Front Axle)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Spicer","offers":[{"title":"Default Title","offer_id":43562420961354,"sku":"PLAT-SPICER-KIT131","price":239.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/5560\/6858\/files\/12_c0a34a53-4770-4b61-a4d1-2f0e9333f6a1.jpg?v=1777722360","url":"https:\/\/platinumperformanceparts.com\/products\/ball-joint-kit-78-87-chevy-gmc-jimmy-blazer-k5-gm-8-5-10-bolt","provider":"Platinum Performance Parts","version":"1.0","type":"link"}