King HP Main Bearing - Standard - Extra Oil Clearance - Small Block Chevy H770001XXL This box is 30% stronger

This box is 30% stronger than the OEM box and utilizes the latest technology with a smooth needle bearing design

Be sure to check out all our products from WeatherTech including WeatherTech Truck Steps and Components

Foam padding is standard on all devices and works well for 95% of our customers

Axle (tube) Material: 4130 Chromoly

This fan spacer extends the fan 3 inches off the water pump flange

King HP Main Bearing - Standard - Extra Oil Clearance - Small Block Chevy H770001XXL This box is 30% strongerMain Bearing Set For Chevrolet 400 V8. Alecular (Racing Line) 1 2 groove. We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. By specializing in engine bearings, King has built an extensive product offering that includes a wide range of engine bearings for automobiles, light duty and heavy duty trucks, marine, aviation, standby power and