Sealed Power 139M Engine Crankshaft Main Bearing Set in Canada

3/4 Grooved
Best bronze alloy material
Does not have flash tin plating
Extreme fatigue resistance & strength
H14 Super Duty alloy material
Silicon particles help polish crankshaft journal (reduces wear during operation)
Speed-ProÂ© delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-ProÂ© to provide the best value in HP engine components

Application	Competition Series
Design Feature 1	3/4 grooved
Displacement	302, 305, 307, 350
Engine Family	Small Block
Features	3/4 Groove
Manufacture	Chevrolet
Material	Super Duty Alloy
Part Description	Engine Crankshaft Main Bearing Set
Part Material	Steel backed overplated bronze alloy
Set Type	Main Set
Sizes	Std-1-1X-9-10-11-19-20-21-30
Standard Size	Standard
UPC	724956232857
Origin Country:	MX
Weight:	1.3Lb. (0.6 kg.)
Package Dimensions:	6.2" x 3.9" x 2.1" (15.7 cm x 9.8 cm x 5.4 cm)

1 Year Warranty