{"id":9970431131888,"title":"Small Freeze Plug (20mm) for 2001-2004 PPE Cast Iron Heads and 2001-2016 OEM Aluminum Heads","handle":"freeze-plug-cylinder-head-20mm-ppe-heads-2001-2004","description":"\u003cp\u003eSmall cylinder head freeze plug with 20mm diameter. Compatible with both 2001–2004 PPE cast iron cylinder heads and 2001-2016 GM cylinder heads.\u003c\/p\u003e","published_at":"2026-04-04T18:38:56-07:00","created_at":"2026-04-04T18:38:56-07:00","vendor":"Pacific Performance Engineering","type":"","tags":["2001-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi4378570","2001-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi7516583","2001-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi6239378","2001-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi6510316","2002-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi6874294","2002-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi4533702","2002-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi8733761","2002-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi2238369","2003-2004-chevrolet-kodiak-c4500-8-cyl-6-6-liter-turbo-esr5142417","2003-chevrolet-kodiak-c5500-8-cyl-6-6-liter-turbo-esr6302776","2003-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi6051154","2003-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi4501871","2003-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi2470648","2003-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi6095730","2003-gmc-topkick-c4500-8-cyl-6-6-liter-turbo-esr8670879","2003-gmc-topkick-c5500-8-cyl-6-6-liter-turbo-esr9364960","2004-chevrolet-kodiak-c4500-lly-8-cyl-6-6-liter-turbo-esr2938448","2004-chevrolet-kodiak-c5500-lly-8-cyl-6-6-liter-turbo-esr4209783","2004-chevrolet-silverado-2500-hd-lly-8-cyl-6-6-liter-esr1301384","2004-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi8053781","2004-chevrolet-silverado-2500hd-lly-8-cyl-6-6-liter-turbo-esr7824846","2004-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi4286045","2004-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi4127483","2004-gmc-sierra-2500hd-lly-8-cyl-6-6-liter-turbo-esr5894005","2004-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi7379111","2004-gmc-sierra-3500hd-lly-8-cyl-6-6-liter-turbo-esr7076585","2004-gmc-topkick-c4500-8-cyl-6-6-liter-turbo-esr1683210","2004-gmc-topkick-c4500-lly-8-cyl-6-6-liter-turbo-esr6820818","2004-gmc-topkick-c5500-8-cyl-6-6-liter-turbo-esr3777485","2004-gmc-topkick-c5500-lly-8-cyl-6-6-liter-turbo-esr6013297","2005-chevrolet-kodiak-c4500-8-cyl-6-6-liter-turbo-esr5823003","2005-chevrolet-kodiak-c5500-8-cyl-6-6-liter-turbo-esr3022835","2005-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi8079105","2005-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi9612207","2005-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi9745976","2005-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi6494594","2005-gmc-topkick-c4500-8-cyl-6-6-liter-turbo-esr4352007","2005-gmc-topkick-c5500-8-cyl-6-6-liter-turbo-esr2221608","2006-2010-chevrolet-express-8-cyl-6-6-liter-turbo-esr1594808","2006-2010-gmc-savana-2500-8-cyl-6-6-liter-turbo-esr4882268","2006-2010-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr5511494","2006-2010-gmc-topkick-c4500-8-cyl-6-6-liter-turbo-esr6581729","2006-chevrolet-kodiak-c4500-8-cyl-6-6-liter-turbo-esr1879883","2006-chevrolet-kodiak-c5500-8-cyl-6-6-liter-turbo-esr2098023","2006-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi5266480","2006-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi7547394","2006-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi9378369","2006-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi4367050","2006-hummer-h1-alpha-8-cyl-6-6-liter-turbo-esi6230785","2007-chevrolet-express-2500-8-cyl-6-6-liter-turbo-esr1580148","2007-chevrolet-express-3500-8-cyl-6-6-liter-turbo-esr9823232","2007-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi4956196","2007-chevrolet-silverado-2500hd-classic-8-cyl-6-6-liter-turbo-esi5695775","2007-chevrolet-silverado-3500-classic-8-cyl-6-6-liter-turbo-esi7760659","2007-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi7529828","2007-gmc-savana-2500-8-cyl-6-6-liter-turbo-esr7185973","2007-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr7991689","2007-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi6749266","2007-gmc-sierra-2500hd-classic-8-cyl-6-6-liter-turbo-esi6166156","2007-gmc-sierra-3500-classic-8-cyl-6-6-liter-turbo-esi9783832","2007-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi2650510","2008-chevrolet-express-2500-8-cyl-6-6-liter-turbo-esr5522546","2008-chevrolet-express-3500-8-cyl-6-6-liter-turbo-esr3094052","2008-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi9645645","2008-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi4987957","2008-gmc-savana-2500-8-cyl-6-6-liter-turbo-esr7048999","2008-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr2197483","2008-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi8434654","2008-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi2209519","2009-2010-chevrolet-express-4500-8-cyl-6-6-liter-turbo-esr2315831","2009-chevrolet-express-2500-8-cyl-6-6-liter-turbo-esr3864752","2009-chevrolet-express-3500-8-cyl-6-6-liter-turbo-esr6829894","2009-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi3942607","2009-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi7082592","2009-gmc-savana-2500-8-cyl-6-6-liter-turbo-esr4852635","2009-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr3845737","2009-gmc-savana-4500-8-cyl-6-6-liter-turbo-esr9658942","2009-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi9736247","2009-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi2246196","2010-2020-chevrolet-express-2500-8-cyl-6-6-liter-esr6482219","2010-2020-chevrolet-express-3500-8-cyl-6-6-liter-esr6473245","2010-chevrolet-express-2500-8-cyl-6-6-liter-turbo-esr5389274","2010-chevrolet-express-3500-8-cyl-6-6-liter-turbo-esr6889347","2010-chevrolet-express-4500-8-cyl-6-6-liter-turbo-esr8790314","2010-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi1097900","2010-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi8064240","2010-gmc-savana-2500-8-cyl-6-6-liter-turbo-esr2044017","2010-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr2020759","2010-gmc-savana-4500-8-cyl-6-6-liter-turbo-esr6195241","2010-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi5606102","2010-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi2762403","2011-2016-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr9847961","2011-chevrolet-express-4500-8-cyl-6-6-liter-turbo-esr5810520","2011-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi8027408","2011-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi5822422","2011-gmc-savana-4500-8-cyl-6-6-liter-turbo-esr6776303","2011-gmc-savana-8-cyl-6-6-liter-turbo-esi3428447","2011-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi4101511","2011-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi5074786","2012-chevrolet-express-2500-8-cyl-6-6-liter-turbo-esr6637325","2012-chevrolet-express-3500-8-cyl-6-6-liter-turbo-esr7979334","2012-chevrolet-express-4500-8-cyl-6-6-liter-turbo-esr4523854","2012-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr5332808","2012-gmc-savana-4500-8-cyl-6-6-liter-turbo-esr1092410","2012-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi3949190","2012-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi8241768","2013-chevrolet-express-2500-8-cyl-6-6-liter-turbo-esr7877707","2013-chevrolet-express-3500-8-cyl-6-6-liter-turbo-esr7180133","2013-chevrolet-express-4500-8-cyl-6-6-liter-turbo-esr6841384","2013-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi8348202","2013-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi6781017","2013-gmc-savana-2500-8-cyl-6-6-liter-turbo-esr4200383","2013-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr3330117","2013-gmc-savana-4500-8-cyl-6-6-liter-turbo-esr8972616","2013-gmc-savana-8-cyl-6-6-liter-turbo-esi3776601","2013-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi3746712","2013-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi4015262","2014-chevrolet-express-2500-8-cyl-6-6-liter-turbo-esr8351833","2014-chevrolet-express-3500-8-cyl-6-6-liter-turbo-esr8059207","2014-chevrolet-express-4500-8-cyl-6-6-liter-turbo-esr7480468","2014-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi4102817","2014-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi8135972","2014-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr8144968","2014-gmc-savana-4500-8-cyl-6-6-liter-turbo-esr6859043","2014-gmc-savana-8-cyl-6-6-liter-turbo-esi1252958","2014-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi7511554","2014-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi5419811","2015-chevrolet-express-2500-8-cyl-6-6-liter-turbo-esr9118966","2015-chevrolet-express-3500-8-cyl-6-6-liter-turbo-esr4884017","2015-chevrolet-express-4500-8-cyl-6-6-liter-turbo-esr6427780","2015-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi1890262","2015-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr6544917","2015-gmc-savana-4500-8-cyl-6-6-liter-turbo-esr4850243","2015-gmc-savana-8-cyl-6-6-liter-turbo-esi6537091","2015-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi1633551","2015-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi7943233","2016-chevrolet-express-2500-8-cyl-6-6-liter-esr4086041","2016-chevrolet-express-3500-8-cyl-6-6-liter-esr3312690","2016-chevrolet-express-4500-8-cyl-6-6-liter-turbo-esr3197952","2016-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi7752593","2016-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esr4985574","2016-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi4667560","2016-gmc-savana-3500-8-cyl-6-6-liter-turbo-esr1304410","2016-gmc-savana-4500-8-cyl-6-6-liter-turbo-esr7436676","2016-gmc-savana-8-cyl-6-6-liter-turbo-esi2238741","2016-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi2982779","2016-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi5635040","2021-2023-chevrolet-express-3500-8-cyl-6-6-liter-esr3483677","Cylinder Head","GM"],"price":999,"price_min":999,"price_max":999,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":49501479010544,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"500209020","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Small Freeze Plug (20mm) for 2001-2004 PPE Cast Iron Heads and 2001-2016 OEM Aluminum Heads","public_title":null,"options":["Default Title"],"price":999,"weight":9,"compare_at_price":null,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.hitechclassics.com\/cdn\/shop\/files\/Freeze-Plug-20mm-PPE-Heads-2001-2004-500209020_02.jpg?v=1775353139","\/\/www.hitechclassics.com\/cdn\/shop\/files\/Freeze-Plug-20mm-PPE-Heads-2001-2004-500209020_01.jpg?v=1775353139"],"featured_image":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/Freeze-Plug-20mm-PPE-Heads-2001-2004-500209020_02.jpg?v=1775353139","options":["Title"],"media":[{"alt":null,"id":44161550450928,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2500,"width":2500,"src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/Freeze-Plug-20mm-PPE-Heads-2001-2004-500209020_02.jpg?v=1775353139"},"aspect_ratio":1.0,"height":2500,"media_type":"image","src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/Freeze-Plug-20mm-PPE-Heads-2001-2004-500209020_02.jpg?v=1775353139","width":2500},{"alt":null,"id":44161550483696,"position":2,"preview_image":{"aspect_ratio":1.0,"height":2500,"width":2500,"src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/Freeze-Plug-20mm-PPE-Heads-2001-2004-500209020_01.jpg?v=1775353139"},"aspect_ratio":1.0,"height":2500,"media_type":"image","src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/Freeze-Plug-20mm-PPE-Heads-2001-2004-500209020_01.jpg?v=1775353139","width":2500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eSmall cylinder head freeze plug with 20mm diameter. Compatible with both 2001–2004 PPE cast iron cylinder heads and 2001-2016 GM cylinder heads.\u003c\/p\u003e"}