Superlift 2" Rear Block Kit - 73-87 GM 1/2 Ton PU & 73-91 Suburban/Jimmy/Blazer 3027 outerwear improve horsepower and improve the

improve horsepower and improve the engine's performance throughout the entire rpm range

4L w/ 6R80 Transmission

and lengthen one

Each is made from stainless steel for a 1

Clutch Disc Diameter (Millimeters):  214

Superlift 2" Rear Block Kit - 73-87 GM 1/2 Ton PU & 73-91 Suburban/Jimmy/Blazer 3027 outerwear improve horsepower and improve the2 inch Block Kit 1973 1987 Chevy K5, K10 and GMC K15 Covered Limited Lifetime Warranty Includes: 2 cast iron blocks, four U bolts, all nuts and washers needed for installation Established in 1975, Superlift remains a pioneer in the industry, and is one of the few suspension companies operated by true truck and off road enthusiasts. We are passionate about trucks, wheeling and an outdoor lifestyle that go hand in hand. We can talk the talk because we