Brian Crower 35mm Intake Valve Set (8pcs) Honda Civic Si 2006-2011 | BC3040 Vehicle Model_Mazdaspeed Mazda6 30 Clicks of Independently Adjustable

30 Clicks of Independently Adjustable Compression and Rebound

Recommended for Chrysler

and shot-peened to stress-relieve the metal

Be sure you know wether you have a 6 bolt or a 7 bolt 4G63 before ordering

Brian Crower 35mm Intake Valve Set (8pcs) Honda Civic Si 2006-2011 | BC3040 Vehicle Model_Mazdaspeed Mazda6 30 Clicks of Independently AdjustableThe Brian Crower BC3040 Intake Valve Set is a high performance valvetrain upgrade for Honda and Acura K series engines, including K20A2, K20A, and K20Z3 platforms. These are standard size 35mm intake valves, designed to replace OEM valves while offering significantly improved strength, airflow efficiency, and high RPM reliability. This set is commonly used in built or performance cylinder heads where airflow, heat resistance, and durability become