Home/2015 Mustang Accessories/JLT Rock Blockers, GT350 JLT Rock Blockers, GT350 Be the first one to write a review $39.99 SKU: JLT-RB Part# JLT-RB Qty: More Details Reviews Ask a Question JLT Rock Blockers, GT350These foam inserts simply tuck into the open area of the side skirt to keep this area clean of road debris. Reviews Write a review | No reviews for this product. Ask a question about this product Name: Email: Question: Please enter the characters you see in the image: New image