{"product_id":"small-block-chevy-dual-plane-air-gap-intake-manifold","title":"EVIL ENERGY Small Block Chevy Dual Plane Air-Gap Small Gap Intake Manifold","description":"\u003cp\u003e---!@!start!@!---Specifications---!@!end!@!---\u003c\/p\u003e\n\u003ch2\u003eIntake Manifold Product Details\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eEVIL ENERGY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManifold Type\u003c\/th\u003e\n\u003ctd\u003eDual Plane Air-Gap with Small Gap Open Type Plenum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel System Compatibility\u003c\/th\u003e\n\u003ctd\u003eCarburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntake Style\u003c\/th\u003e\n\u003ctd\u003eOriginal-style intake \/ modified elbow and air-gap street\/track performance layout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRPM Range\u003c\/th\u003e\n\u003ctd\u003e4500-6500+ RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eIntake manifold cast aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor \/ Variant\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Engine Family\u003c\/th\u003e\n\u003ctd\u003e1957-86 262-400cid Small Block Chevrolet engines; SBC engines with 1987-91 L98 aluminum Corvette cylinder heads for non-EGR applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Displacements\u003c\/th\u003e\n\u003ctd\u003e262, 265, 283, 302, 305, 307, 327, 350, and 400 cid Small Block Chevrolet applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Vehicles\u003c\/th\u003e\n\u003ctd\u003eChevrolet Corvette C1 \/ C2 \/ Early C3 (1957-1969, 265\/283\/327 cid)\u003cbr\u003eChevrolet Corvette C3 (1969 and later, 350 cid applications)\u003cbr\u003eChevrolet Camaro First Gen (1967-1969, 302\/327\/350 cid applications)\u003cbr\u003eChevrolet Camaro Z\/28 \/ SS (First to Third Gen, SBC V8 applications)\u003cbr\u003eChevrolet Nova \/ Chevy II (SBC V8 applications)\u003cbr\u003eChevrolet Impala \/ Impala SS (SBC V8 applications)\u003cbr\u003eChevrolet Monte Carlo (SBC V8 applications)\u003cbr\u003eChevrolet El Camino (SBC V8 applications)\u003cbr\u003eChevrolet Caprice (SBC V8 applications)\u003cbr\u003eChevrolet C\/K Series Pickup (SBC V8 applications)\u003cbr\u003eChevrolet Suburban (SBC V8 applications)\u003cbr\u003eChevrolet Blazer (SBC V8 applications)\u003cbr\u003eGMC Light Trucks and SUVs (SBC V8 applications)\u003cbr\u003ePontiac Firebird \/ Trans Am (select SBC V8 applications)\u003cbr\u003eBuick Regal \/ Century \/ Skylark (select GM small block applications)\u003cbr\u003eOldsmobile Cutlass \/ 442 (select GM small block applications)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e20.96 in (L) x 10.12 in (W) x 5.89 in (H) \/ 532.29 mm x 256.99 mm x 149.55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBest Use\u003c\/th\u003e\n\u003ctd\u003eStreet\/track balanced Small Block Chevy builds, stronger high-RPM horsepower, broad powerband performance, and carbureted SBC upgrades\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e---!@!start!@!---Description---!@!end!@!---\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVIL_ENERGY_Small_Block_Chevy_Dual_Plane_Air-Gap_Small_Gap_Intake_Manifold-black-7.28-a1.webp?v=1785295223\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eEVIL ENERGY Small Block Chevy Air-Gap Small Gap Intake Manifold Summary\u003c\/h2\u003e\n\u003cp\u003eWhen a classic Small Block Chevy build feels restricted at higher RPM or loses consistency during spirited street and track driving, the \u003cstrong\u003eEVIL ENERGY dual plane air-gap small gap intake manifold\u003c\/strong\u003e helps balance throttle response with stronger upper-range airflow. It is suited for carbureted SBC owners who want broader power delivery, cooler intake charge behavior, and improved performance in street\/track upgrade scenarios.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003edual plane air-gap layout\u003c\/strong\u003e helps reduce heat transfer into the intake charge by separating the runners from direct engine valley heat. This supports denser airflow and more stable performance during aggressive driving, while the dual plane foundation keeps the manifold more street-friendly than a narrow race-only intake.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVIL_ENERGY_Small_Block_Chevy_Dual_Plane_Air-Gap_Small_Gap_Intake_Manifold-black-7.28-a2.webp?v=1785295116\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSmall Gap Open Plenum Design for Broader SBC Power\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eSmall Block Chevy carburetor intake manifold\u003c\/strong\u003e uses a small-gap open type plenum section between the two planes. The opening allows the two sides of the plenum to help balance pressure at higher airflow demand, supporting more stable cylinder filling when the engine is pulling hard through the \u003cstrong\u003e4500-6500+ RPM\u003c\/strong\u003e range.\u003c\/p\u003e\n\u003cp\u003eCompared with a fully divided dual plane layout, the small-gap structure is intended to broaden the usable powerband and improve high-RPM horsepower potential while only lightly affecting very low-speed torque response. For many street\/track SBC builds, that balance gives the engine a flatter, wider power curve without giving up practical drivability.\u003c\/p\u003e\n\u003ch2\u003e1957-86 Small Block Chevy Engine and Vehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eSBC intake manifold\u003c\/strong\u003e fits \u003cstrong\u003e1957-86 262-400cid Small Block Chevrolet engines\u003c\/strong\u003e, including common 262, 265, 283, 302, 305, 307, 327, 350, and 400 cid applications. It also supports \u003cstrong\u003eSBC engines equipped with 1987-91 L98 aluminum Corvette cylinder heads\u003c\/strong\u003e for \u003cstrong\u003enon-EGR applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCommon vehicle families include Chevrolet Corvette, Camaro, Nova, Impala, Monte Carlo, El Camino, Caprice, C\/K trucks, Suburban, Blazer, GMC light trucks and SUVs, plus select Pontiac, Buick, and Oldsmobile GM small block applications. \u003cstrong\u003eAlways verify cylinder head type, EGR requirement, carburetor setup, hood clearance, and port alignment before installation.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVIL_ENERGY_Small_Block_Chevy_Dual_Plane_Air-Gap_Small_Gap_Intake_Manifold-black-7.28-a3.webp?v=1785295251\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eAir-Gap SBC Intake Manifold Performance Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4500-6500+ RPM High-Performance Range:\u003c\/strong\u003e Built for SBC drivers seeking stronger upper-RPM pull and horsepower support in street\/track combinations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall Gap Plenum Balance:\u003c\/strong\u003e The partially connected plenum helps both planes share airflow demand under higher load, supporting more even pressure recovery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Plane Street Manners:\u003c\/strong\u003e The two-plane foundation helps preserve practical carburetor signal and usable response for vehicles that still see street duty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir-Gap Heat Isolation:\u003c\/strong\u003e The air-gap runner structure helps limit heat transfer from the engine valley into the intake charge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCast Aluminum Construction:\u003c\/strong\u003e The intake manifold cast aluminum body provides a durable performance platform for classic Small Block Chevy upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents \u0026amp; Unboxing Checklist\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEVIL ENERGY Intake Manifold (Part No. 2026) x 1\u003c\/th\u003e\n\u003ctd\u003eYou will receive one brand-new EVIL ENERGY Small Block Chevy dual plane air-gap small gap carburetor intake manifold for compatible SBC applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComplete Heavy-Duty Installation Hardware Kit x 1\u003c\/th\u003e\n\u003ctd\u003eIncludes the necessary mounting hardware and installation accessories for a reliable Small Block Chevy intake manifold and carburetor swap. Confirm the hardware against your exact engine setup before final installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVIL_ENERGY_Small_Block_Chevy_Dual_Plane_Air-Gap_Small_Gap_Intake_Manifold-black-7.28-a4.webp?v=1785295336\" alt=\"\"\u003e\u003c\/p\u003e","brand":"EVIL ENERGY","offers":[{"title":"Black","offer_id":46251352850568,"sku":"EVBUH0001011","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":46256226107528,"sku":"EVBUH0001010","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVILENERGYSmallBlockChevyDualPlaneAir-GapSmallGapIntakeManifold-black-7.28-m1.webp?v=1785295384","url":"https:\/\/www.ievilenergy.com\/products\/small-block-chevy-dual-plane-air-gap-intake-manifold","provider":"EVILENERGY","version":"1.0","type":"link"}