JY PERFORMANCE 4L60E to 4L80E Conversion Crossmember Compatible with 2000-2013 Chevrolet Silverado GMC Sierra 2WD Item Description 4L60E to 4L80E Conversion Crossmember is compatible with 2000-2006 Chevrolet Silverado GMC Sierra 2WD. Made of heavy light mild steel with powder-coated surface. Help to convert the existing 4L60E transmission to a 4L80E. Not designed for trucks/chassis with existing 4L80E transmissions. Firmly support the body, maintain a stable driving state, reduce vibration. Please consult a professional before installation. ? See more product details 4L60E to 4L80E Conversion Crossmember Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.