K Series Upper Coolant Housing Built In Filler Hose K20 K24A1 Honda Acura Rsx Si Cooling System 

Fits The Following Vehicles:

20005 Buick



Fits The Following Vehicles:

20005 Buick Rainier
2004-2005 Cadillac CTS
2004-2005 Cadillac CTS-V
2002-2007 Cadillac Escalade
2003-2007 Cadillac Escalade ESV
2002-2007 Cadillac Escalade EXT
2005 Cadillac STS
2002-2007 Chevy Avalanche 1500
2002-2006 Chevy Avalanche 2500
2001-2002 Chevy C3500
1999-2002 Chevy Camaro
1999-2003 Chevy Corvette
2003-2007 Chevy Express 1500 Van
2003-2007 Chevy Express 2500 Van
2003-2007 Chevy Express 3500 Van
2001-2007 Chevy Silverado 1500
2001-2004 Chevy Silverado 2500 HD
2007 Chevy Silverado 2500 HD Classic
2001-2006 Chevy Silverado 2500 HD
2001-2006 Chevy Silverado 3500 HD
2007 Chevy Silverado 3500 HD Classic
2004-2007 Chevy Silverado Hybrid
2007 Chevy Silverado Hybrid Classic
2001-2007 Chevy Suburban 1500
2001-2007 Chevy Suburban 2500
2001-2007 Chevy Tahoe
2005 Chevy Trailblazer EXT
2001-2002 GMC C3500
2005 GMC Envoy
2003-2005 GMC Envoy XL
2005 GMC Envoy XUV
2003-2007 GMC Savana 1500 Van
2003-2007 GMC Savana 2500 Van
2003-2007 GMC Savana 3500 Van
2001-2006 GMC Sierra 1500
2007 GMC Sierra 1500 Classic
2005-2007 GMC Sierra 1500
2001-2003 GMC Sierra 1500
2001-2004 GMC Sierra 2500 HD
2007 GMC Sierra 2500 HD Classic
2001-2006 GMC Sierra 2500 HD
2007 GMC Sierra 3500 Classic
2001-2006 GMC Sierra 3500 HD
2002-2006 GMC Sierra Denali 1500
2007 GMC Sierra Denali 1500 Classic
2007 GMC Sierra Hybrid Classic
2005-2006 GMC Sierra Hybrid
2001-2007 GMC Yukon
2001-2007 GMC Yukon XL 1500
2001-2007 GMC Yukon XL 2500
2001-2007 GMC Yukon XL Denali
2005-2007 Hummer H2
1999-2002 Pontiac Firebird
2004 Pontiac GTO
2005 Saab 9-7X

Fit engine: LS Style 4 bolt intake manifold (eg LS2

Fits ALL K20 Engines / ALL K20 Heads

Direct Replacement of the Original Knob

K Series Upper Coolant Housing Built In Filler Hose K20 K24A1 Honda Acura Rsx Si Cooling System 

Fits The Following Vehicles:

20005 BuickK Series Upper Coolant Housing Built In Filler Hose K20 K24A1 Honda Acura Rsx Si Description Applications K20A, K20A2, K20A3, K20Z1, and K24A1 cylinder heads. Fit with PRB manifold and throttle bodies with cruise control. We've taken input from guys running big turbo setups on this one. The integrated filler now clears up more room for big turbo setups. The filler neck comes off the top of the housing and can be used to relocate the radiator cap to a