never exceeds the manufacturers tolerances - This will provide you rock solid oil supply pressure

Direct fit upgrade for the factory BOV on Honda Civic RS and Civic Si models with the 1

-Lightweight Flywheel

if you have any doubt that the BOV is not staying closed when it should be

Depending on the rim diameter the recommended backspacing is 150-160mm (7" ET45

JR Wheels JR51 20x9 ET20-51 5H BLANK Satin Black w/ Machined Lip JR51 never exceeds the manufacturers tolerancesPCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120 ET: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51