{"product_id":"holley-mid-rise-plenum-base-adapter-kit-gm-ls1-ls2-ls6-300-267","title":"Holley Mid-Rise Plenum Base Adapter Kit - GM LS1\/LS2\/LS6 300-267","description":"\u003cp\u003eThe Modular Mid-Rise intake utilizes the popular Holley LS1\/LS2\/LS6 cathedral port Mid-Rise 2 x 4 intake manifold along with a  plenum base adapter and a Holley 92MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold.\u003c\/p\u003e\u003cp\u003eFor use with LS Dual Plane Mid-Rise intake manifold base to adapt to modular tops.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNOTES:  \u003c\/strong\u003eHolley EFI LS main harnesses have a map sensor connecter designed for use with an LS1\/2 style map sensor. The 558-416 is an adapter harness that can be used to adapt any LS harness that uses a LS1\/2 MAP sensor connection to a LS3 MAP, which is recommended for this manifold.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProvides great performance to 6500 rpm for street\/strip performance applications while providing the look of a racing EFI intake manifold\u003c\/li\u003e\n\u003cli\u003eUnique modular design allows the combination of a traditional dual-plane layout with an EFI manifold plenum to produce great mid-range torque without compromising top end power\u003c\/li\u003e\n\u003cli\u003eGreat for supercharged or turbocharged engines\u003c\/li\u003e\n\u003cli\u003ePower band from 1500-6500 rpm\u003c\/li\u003e\n\u003cli\u003eMay require an aftermarket hood for some vehicle applications.\u003c\/li\u003e\n\u003cli\u003eCast aluminum construction\u003c\/li\u003e\n\u003cli\u003eIntended for use on all GM LS Gen III or IV engines equipped with LS1\/LS2\/LS6 style cathedral port cylinder heads (recalibration of the ECU may be required when using this intake manifold design with OE ECU).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHolley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEmission Code\u003c\/th\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade Type\u003c\/th\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManifold Color\u003c\/th\u003e\n\u003ctd\u003eCast\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManifold Material\u003c\/th\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManifold Mount Hole Quantity\u003c\/th\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eIntake Manifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType of Component\u003c\/th\u003e\n\u003ctd\u003eManifold Top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eLimited 90 Day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":49186182496469,"sku":"300-267","price":269.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/holley-mid-rise-plenum-base-adapter-kit-gm-ls1ls2ls6-300-267-modern-day-muffler-1.jpg?v=1738927372","url":"https:\/\/moderndaymuffler.com\/products\/holley-mid-rise-plenum-base-adapter-kit-gm-ls1-ls2-ls6-300-267","provider":"Modern Day Muffler","version":"1.0","type":"link"}