Description:

Remark: The head diameter of these high performance valves are bigger than OE valves which help increase flow rate. You cylinder head has to be porting before install these high performance valves. Package Includes: 8 High Performance Intake valves - w/ 1 keeper groove type (head 1. 22" x stem 5. 5mm x length 4. 66") 8 High Performance Exhaust valves - w/ 1 keeper groove type (head 1. 06" x stem 5. 5mm x length 4. 56") Product Fitments: 1993-1995 HONDA CIVIC DEL SOL 1. 6L 1590CC 97CID L4 SOHC 16V ENG. CODE "D16Z6" 1998-2000 HONDA CIVIC 1. 6L 1590CC 97CID L4 CNG SOHC 16V ENG. CODE "D16Z6" 1992-2000 HONDA CIVIC 1. 6L 1590CC 97CID L4 SOHC 16V ENG. CODE "D16Z6" 1996-2000 HONDA CIVIC 1. 6L 1590CC L4 SOHC 16V ENG. CODE "D16Z6" 2001-2005 HONDA CIVIC 1. 7L 1668CC L4 CNG SOHC 16V ENG. CODE "D17A" 2005 HONDA CIVIC 1. 7L 1668CC L4 SOHC 16V ENG. CODE "D17A" 2001-2005 HONDA CIVIC 1. 7L 1668CC L4 SOHC 16V ENG. CODE "D17A1" 2001-2005 HONDA CIVIC 1. 7L 1668CC L4 SOHC 16V ENG. CODE "D17A2" 2001-2005 HONDA CIVIC 1. 7L 1668CC L4 SOHC 16V ENG. CODE "D17A6" 2002-2004 HONDA CIVIC 1. 7L 1700CC L4 CNG SOHC 16V ENG. CODE "D17A" 2004 HONDA CIVIC 1. 7L 1700CC L4 SOHC 16V ENG. CODE "D17A" 2002-2004 HONDA CIVIC 1. 7L 1700CC L4 SOHC 16V ENG. CODE "D17A1" 2002-2004 HONDA CIVIC 1. 7L 1700CC L4 SOHC 16V ENG. CODE "D17A2" 2002-2004 HONDA CIVIC 1. 7L 1700CC L4 SOHC 16V ENG. CODE "D17A6" 2006-2011 HONDA CIVIC 1. 8L 1799CC L4 CNG SOHC 16V ENG. CODE "R18A4" 2006-2011 HONDA CIVIC 1. 8L 1799CC L4 SOHC 16V ENG.