ORI Stage 4 GVM Upgrade Package – Chevrolet Silverado 1500 LTZ & ZR2 (4250 KG GVM | FOX Performance Elite | BDS UCAs | ORI Leaf Packs | SSM Approved)

ORI Stage 4 Chevrolet Silverado 1500 LTZ & ZR2 GVM Upgrade – 4250 KG (FOX Performance Elite | BDS | ORI | SSM Approved)

Take your Silverado 1500 to the next level of strength and compliance with the ORI Stage 4 GVM Upgrade Package, designed and engineered to meet Australian conditions and certified through SSM Compliance Engineering.

This upgrade increases your Gross Vehicle Mass (GVM) to 4250 KG, allowing for significant payload gains while maintaining balanced ride quality, durability, and control for both LTZ and ZR2 models.

The Stage 4 package includes:

FOX Front Coilovers (883-06-162) – adjustable Performance Elite coilovers for precision ride control and fade-free damping

FOX Rear Performance Elite Shocks (883-26-087) – remote-reservoir shocks tuned for heavy-duty touring and off-road stability

BDS Upper Control Arms (BDS121260) – improved caster correction, articulation, and alignment under lift conditions

ORI Rear Leaf Pack (200 KG or 400 KG options) – tailored for constant load setups such as canopies, drawers, or overland gear

Requirements & Compliance:

Upgraded load-rated wheels and tyres required

Fully SSM-certified GVM upgrade compliant with Australian Design Rules (ADR)

Federally approved GVM and GCM for post-registration vehicles

The ORI Stage 4 Silverado 1500 GVM Upgrade delivers the ultimate combination of strength, performance, and compliance — engineered to keep your American truck legal, capable, and ready for the toughest Australian conditions.

Everyday Offroad, in partnership with ORI and SSM Compliance Engineering, provides certified GVM solutions for Chevrolet Silverado 1500 LTZ and ZR2 platforms — built tough, tested, and approved.