Shop › RFX Race Open Cell Polyurethane Sump Foam (Black) Image 1 of 1 RFX Race Open Cell Polyurethane Sump Foam (Black) £4.99 Prevent mud from blocking brake pedals, gear shifters, sump guards etc Get notified by email when this product is in stock. Quantity: Add To Cart Added! Prevent mud from blocking brake pedals, gear shifters, sump guards etc