Manufacturer Sega Availability Sega Amplifier (838-13578) May be used in Nascar, LA Machine Guns $35.00 Qty: Add to cart Email a friend Question about product? Add to wishlist Details Original Sega amplifier board that we believe was used in Nascar, LA Machine Guns and other games based on our research. Original Sega part number 838-13578 / SJ-0353-02. This board is untested, appears to be complete and in good condition, but we have no way of testing it. Sold as-is, see photos for more details.