Supertech Black Nitrided Exhaust Valves K20/K24 series Honda Civic Si 8th Gen (2006 - 2011)

Supertech Black Nitrided Exhaust Valves K20/K24 series Honda Civic Si 8th Gen (2006 - 2011)FITS: 8th Gen Honda Civic 8th Gen Honda Civic Si 9th Gen Honda Civic 9th Gen Honda Civic Si Acura RSX 1st Gen Acura TSX 2nd Gen Acura TSX Supertech valves come in either a dished or flat bottom. The valves are black nitride treated coated, which reduce friction at high rpms. Specs: Head Diam: 31. 00mm (Std) Stem Diam: 5. 48mm Length: 108. 65mm Material: Black Nitrided Valve Type: Exhaust Includes all 8 exhaust valves

The tools needed are a couple of screwdrivers

Includes custom Main Shaft Taller 1st through 4th gears

Hi-Power muffler tips are 96mm

The 4-puck is a good compromise for both

Force Adjustment Adjusts compression and rebound at the same time

Pressure (Seat): 80lbs@36

BEFORE ORDERING: Professional installation is recommended as no install instructions are included

NOTE: This Short Throw Adapter is not recommended for use with the Civic Type-R (FK8) shifter due to excessive shifter cable angle when used together

FITS: All K-series engines for:

This lining features excellent driveability like the stage 1

32whp peak-to-peak

ACUITY's K-Series Transmission Performance Spring Upgrade uses thicker wire and additional preload to provide a very satisfying