The 4L80E SS Xtreme Mega Monster Transmission is ideal for vehicles powered by engines producing up to 1,100 horsepower. Available with a Full-Manual Valve Body. INCLUDED FREE - No Fault Warranty A 1-time no questions asked repair or replacement. Covers Shipping, Freight claims, Installation errors, overheating and more! - Free Shipping only applies to the contiguous 48 states.