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No Surging or Other Drivability Issues
- Argon Back Purged Welding
25" (184mm) Twin Disc clutch and is the ultimate in twin disk performance for engines/transmissions with smaller bell-housings that are focused on drag racing
and the 4" single wall outer tips finish the clean and sporty appearance
Supertech Black Nitrided Exhaust Valves K20/K24 series Thermostats No Surging or Other DrivabilityFITS: 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