1973-1987 Chevrolet / GMC K10, K20 4, 6, 8 Inch Lift Blocks
1973–1987 Chevrolet/GMC K10–K20 Lift Blocks – 4", 6", or 8" Enhance the stance and lift of your classic Chevy or GMC truck with premium, 🇺🇸 American-made lift blocks built specifically for the 1973–1987 K10 and K20 4x4 models. Available in 4", 6", and 8" sizes, these custom-fabricated blocks are true to size, delivering accurate rear lift and consistent fitment. 🔧 Key Features ✅ Custom-built in the USA 🇺🇸 for 1973–1987 Chevy/GMC K10 & K20 4WD trucks ✅ Available lift heights: 4", 6", or 8" – each true to size ✅ Heavy-duty fabricated steel construction for rugged performance ✅ Optional taper (if applicable) to improve driveline angle and reduce vibration ✅ Durable black powder coat finish resists rust and corrosion ✅ Sold in pairs for rear axle installation ✅ Compatible with factory or extended U-bolts (not included) 🛠️ Installation Install Time: Approximately 1–2 hours Tools Needed: Basic hand tools, jack, and jack stands Fitment Note: For use on rear leaf