Upgrade your Mack truck with the TPHD 50 Inch Mack Hood Shell, designed to replace 1QM5556. Attention to customers and installers: inspection and test fitting are required before painting, and modification may be necessary for final assembly. Please note that modified parts are not eligible for return. This hood shell is specifically designed for Mack R models, ensuring a perfect fit and reliable performance. Invest in this durable and practical replacement part to keep your Mack truck running smoothly for years to come.