Engine Crankshaft Main Bearing Set Miata RaceQuip uses an oversize heavy

RaceQuip uses an oversize heavy duty brass YKK Nomex® backed zipper for added durability

Made from premium material to prevent cracking

for use with your bench top vise

bolt circle

20deg - 210cc FEATURES: 500+ horsepower potential out-of-the-box using stock valve train geometry High-flowing 210cc intake ports and

Engine Crankshaft Main Bearing Set Miata RaceQuip uses an oversize heavySpeed Pro 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 Pro to provide the best value in HP engine components