1.0" Rear Block Kit for 2011-2025 GM 2500HD/3500HD (2WD/4WD) SRW 8-Lug w/ AUX Springs - Pacbrake - HP10503

Introducing the Pacbrake Rear Blocks - the ultimate solution for pickup and work truck owners constantly carrying or towing heavy loads. Revolutionize your driving experience with these rugged and durable accessories that will take your truck to new heights!; Greatly improve your truck’s weight distribution and improve vehicle control while towing and hauling heavy loads with Pacbrake's 1.0" Rear Block Kit. Crafted with precision and built to last Pacbrake's OEM style rear blocks are made from solid cast iron ensuring unparalleled strength and performance. Say goodbye to flimsy and unreliable nylon blocks that wear down over time - our blocks are engineered to withstand the toughest conditions giving you the confidence to conquer any terrain.; Bomb proof U-Bolts: Grade 10.9 high strength steel Geomet coated for rest resistance Zinc plated flange nuts prevent corrosion; Solid Cast Iron Blocks: Say “no” to nylon blocks that can wear down over time Cast iron blocks to last the lifetime of the truck All parts resistant to road spray and dirt
Fit up to 35" Tires
No vehicle modifications required
Limited Lifetime Warranty
Non-Tapered Rear Blocks


Detailed Fitment Results
Year Make Model Drive Type Position 2011-2025 Chevrolet Silverado 2500 HD RWD / 4WD Rear 2011-2025 Chevrolet Silverado 3500 HD RWD / 4WD Rear 2011-2019, 2022-2025 GMC Sierra 2500 HD RWD / 4WD Rear 2011-2025 GMC Sierra 3500 HD RWD / 4WD Rear 2020-2021 GMC Sierra 2500 HD 4WD / RWD Rear