Skunk2 Pro Series Intake Manifold Black - 2006-2011 Honda Civic Si K20Z3 - 307-05-0325 1.5" to 1.75" Note: Nomex(R) construction but NO

Note: Nomex(R) construction but NO SFI rating or tag

Mishimoto radiator hose kits are made with a dual layer combining high grade silicone and heat-resistant embedded fibers to provide efficient heat reduction and increased pressure tolerance

NS4-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

2 x 1/8 inch NPT and 2 x 1/4 inch NPT Accessory Ports

Bolts the Subaru case halves together

Skunk2 Pro Series Intake Manifold Black - 2006-2011 Honda Civic Si K20Z3 - 307-05-0325 1.5" to 1.75" Note: Nomex(R) construction but NOSkunk2's engineers went back to the drawing board when they set out to improve the already popular 06 11 Civic Si's RBC intake manifold. Each of Skunk2's Pro Series Intake Manifolds for Honda's K series engines feature larger plenums and shorter, oversized runners when compared to the RBC, and are cast with thicker wall material, leaving room for further porting for high horsepower applications. Instead of producing a manifold with a significantly