Aluminum Main Chassis - Gunmetal $149.00 Quantity discounts available QuantityPrice Quantity: -+ SKU: HPI87477 ABOUT THIS PRODUCT:Aluminum Main Chassis - GunmetalAboutAboutAircraft grade 6061 gunmetal anodized aluminum main chassis for the HPI Baja 5b. 465mm long, 133mm wide, 50mm high. HPI part # 87477.