{"title":"Jeep AMC V8 Intake Manifolds (304, 360, 401)","description":"\u003cp\u003e4-barrel intake manifolds for Jeeps with the AMC V8: the CJ5, CJ6 and CJ7 with the 304, and the full-size SJ Jeeps (J10 and J20 pickups, Cherokee, Wagoneer and Grand Wagoneer) with the 360 or 401. All AMC V8s from 1970 on share the same intake pattern, so both manifolds on this page fit the 304, 360 and 401.\u003c\/p\u003e\u003cp\u003eBoth are cast and CNC-machined in our own factory and leak-tested before they ship. We ship from California and Georgia within 24 hours on business days, free within the US.\u003c\/p\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eJeep\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eIntakes that fit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1972–1981 CJ5, CJ6; 1976–1981 CJ7\u003c\/td\u003e\n\u003ctd\u003e304 (5.0L)\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"\/products\/amc-jeep-v8-dual-plane-square-bore-intake-manifold-2131\"\u003e2131\u003c\/a\u003e, \u003ca href=\"\/products\/amc-jeep-v8-air-gap-dual-plane-4150-intake-manifold-7531\"\u003e7531\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1974–1983 Cherokee and Wagoneer; 1984–1991 Grand Wagoneer; J10 \/ J20 pickups\u003c\/td\u003e\n\u003ctd\u003e360 (5.9L)\u003c\/td\u003e\n\u003ctd\u003e2131, 7531\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1974–1978 Cherokee, Wagoneer, J10 \/ J20\u003c\/td\u003e\n\u003ctd\u003e401 (6.6L)\u003c\/td\u003e\n\u003ctd\u003e2131, 7531\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe same intakes also fit AMC cars with these engines, such as the Javelin and AMX; see our \u003ca href=\"\/collections\/oldsmobile-amc-v8-intake-manifolds\"\u003eAMC intake page\u003c\/a\u003e. Not for the 4.0L inline six or for the 1966–1969 AMC V8s with the earlier head design.\u003c\/p\u003e\u003ch2\u003eWhich one should you choose?\u003c\/h2\u003e\u003cp\u003e• \u003cstrong\u003eTrail rig, towing or stock-style rebuild:\u003c\/strong\u003e the \u003ca href=\"\/products\/amc-jeep-v8-dual-plane-square-bore-intake-manifold-2131\"\u003e2131 dual plane\u003c\/a\u003e for low and mid-range torque.\u003c\/p\u003e\u003cp\u003e• \u003cstrong\u003eBuilt 360 or 401:\u003c\/strong\u003e the \u003ca href=\"\/products\/amc-jeep-v8-air-gap-dual-plane-4150-intake-manifold-7531\"\u003e7531 Air-Gap\u003c\/a\u003e keeps the intake charge cooler for more power on the street.\u003c\/p\u003e\u003ch2\u003eBefore you order\u003c\/h2\u003e\u003cp\u003e• \u003cstrong\u003eCarburetor:\u003c\/strong\u003e most of these Jeeps came with a 2-barrel carburetor. Both intakes take a 4-barrel (4150 square-bore) carburetor, so plan the carb, throttle linkage and kickdown (on automatics) along with the intake.\u003c\/p\u003e\u003cp\u003e• \u003cstrong\u003eHood and air cleaner:\u003c\/strong\u003e check air cleaner clearance on CJ models, which have a low, flat hood.\u003c\/p\u003e\u003cp\u003e• \u003cstrong\u003eEmissions:\u003c\/strong\u003e for off-road and racing use. Check your state's rules before installing on a registered vehicle.\u003c\/p\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eDo the 304, 360 and 401 use the same intake?\u003c\/h3\u003e\u003cp\u003eYes. They share the AMC V8 block and head design from 1970 on, so the same intake fits all three.\u003c\/p\u003e\u003ch3\u003eWill these fit my Grand Wagoneer?\u003c\/h3\u003e\u003cp\u003eYes, the 1984–1991 Grand Wagoneer uses the AMC 360.\u003c\/p\u003e\u003ch3\u003eNot sure what's in your Jeep?\u003c\/h3\u003e\u003cp\u003eEmail us the year, model and engine and we will confirm fitment before you order.\u003c\/p\u003e","products":[{"product_id":"amc-jeep-v8-dual-plane-square-bore-intake-manifold-2131","title":"Haytalras 2131 AMC Jeep V8 Dual Plane Square Bore Intake Manifold 1970-1991 290-401","description":"\u003cstyle\u003e.hz-desc{color:#222;font-size:16px;line-height:1.75}.hz-desc h2{margin:28px 0 12px;font-size:22px;font-weight:700;line-height:1.35;text-transform:none;letter-spacing:normal}.hz-desc h3{margin:20px 0 8px;font-size:17px;font-weight:700;text-transform:none;letter-spacing:normal}.hz-desc p{margin:0 0 16px}.hz-desc ul{margin:0 0 18px;padding-left:24px;list-style:disc outside}.hz-desc li{display:list-item;margin:0 0 8px}.hz-desc .hz-note{margin:18px 0;padding:16px 18px;background:#f5f5f5;border-left:4px solid #f28c00;border-radius:4px}.hz-desc .hz-note ul{margin-bottom:0}@media(max-width:600px){.hz-desc{font-size:15px}.hz-desc h2{font-size:19px}}\u003c\/style\u003e\n\u003cdiv class=\"hz-desc\"\u003e\n\u003ch2\u003e2131 Dual Plane Intake for AMC \/ Jeep V8 (1970–1991)\u003c\/h2\u003e\n\u003cp\u003eA low-rise, dual-plane intake manifold for 1970–1991 AMC V8s: the 304, 360, 390 and 401 in AMC cars and Jeep CJ, Wagoneer, Grand Wagoneer, Cherokee and J-Series trucks. The 180-degree dual-plane runner layout builds torque from idle to 5,500 RPM, which suits trail rigs, towing and stock-style rebuilds.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual-plane design, 4.85 in. height\u003c\/li\u003e\n\u003cli\u003e4150-style square-bore 4-barrel carburetor flange\u003c\/li\u003e\n\u003cli\u003eOperating range: idle–5,500 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hz-note\"\u003e\n\u003cp\u003e\u003cstrong\u003eBefore you order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor 1970-and-later AMC heads. Will not work with 1969-and-earlier heads.\u003c\/li\u003e\n\u003cli\u003eDoes not accept the factory Motorcraft spread-bore carburetor; plan on a square-bore 4150-style 4-barrel.\u003c\/li\u003e\n\u003cli\u003eInstall with a factory-style metal valley tray gasket plus a composite or paper intake gasket. Do not use competition-style intake gaskets.\u003c\/li\u003e\n\u003cli\u003eNot for Chrysler \/ Mopar 360 engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAMC 304 (5.0L), 1970–1979 in cars; Jeep CJ through 1981\u003c\/li\u003e\n\u003cli\u003eAMC 360 (5.9L), cars and Jeep through 1991\u003c\/li\u003e\n\u003cli\u003eAMC 390 (6.4L), 1970\u003c\/li\u003e\n\u003cli\u003eAMC 401 (6.6L)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSee our \u003ca href=\"\/collections\/jeep-amc-v8-intake-manifolds\"\u003eJeep AMC V8 page\u003c\/a\u003e for vehicles by year. Full specifications are in the Specifications tab.\u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × intake manifold\u003c\/li\u003e\n\u003cli\u003eAdditional parts as shown in the product photos\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Haytalras\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt in our own factory.\u003c\/strong\u003e We cast and CNC-machine our intake manifolds in-house. The same factory has produced intake manifolds for Holley, TSP and Professional Products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChecked before it ships.\u003c\/strong\u003e Every manifold goes through air-tightness, dimensional and visual inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips from the US.\u003c\/strong\u003e Free shipping from our California and Georgia warehouses, out the door within 24 hours, usually delivered in 3–7 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacked by us.\u003c\/strong\u003e 30-day free returns and a 1-year warranty on casting defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003e2131 or 7531?\u003c\/h3\u003e\n\u003cp\u003eBoth fit the 304, 360 and 401. The 2131 is the choice for a stock-style or towing engine; the \u003ca href=\"\/products\/amc-jeep-v8-air-gap-dual-plane-4150-intake-manifold-7531\"\u003e7531 Air-Gap\u003c\/a\u003e is for a built engine.\u003c\/p\u003e\n\u003ch3\u003eNot sure it fits?\u003c\/h3\u003e\n\u003cp\u003eEmail \u003ca href=\"mailto:haytalras@gmail.com\"\u003ehaytalras@gmail.com\u003c\/a\u003e with your vehicle and engine and we'll confirm before you order.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Haytalras","offers":[{"title":"Satin","offer_id":48054898884867,"sku":"2131","price":209.99,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":48275336855811,"sku":"2131BK","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/2374\/4771\/files\/HaytalrasAluminumDualPlane2131IntakeManifoldForAMCV81970-91290-401_main.png?v=1783063653"},{"product_id":"amc-jeep-v8-air-gap-dual-plane-4150-intake-manifold-7531","title":"Haytalras 7531 AMC Jeep V8 Air-Gap Dual Plane 4150 Intake Manifold 1970-1991 304 360 401","description":"\u003cstyle\u003e.hz-desc{color:#222;font-size:16px;line-height:1.75}.hz-desc h2{margin:28px 0 12px;font-size:22px;font-weight:700;line-height:1.35;text-transform:none;letter-spacing:normal}.hz-desc h3{margin:20px 0 8px;font-size:17px;font-weight:700;text-transform:none;letter-spacing:normal}.hz-desc p{margin:0 0 16px}.hz-desc ul{margin:0 0 18px;padding-left:24px;list-style:disc outside}.hz-desc li{display:list-item;margin:0 0 8px}.hz-desc .hz-note{margin:18px 0;padding:16px 18px;background:#f5f5f5;border-left:4px solid #f28c00;border-radius:4px}.hz-desc .hz-note ul{margin-bottom:0}@media(max-width:600px){.hz-desc{font-size:15px}.hz-desc h2{font-size:19px}}\u003c\/style\u003e\n\u003cdiv class=\"hz-desc\"\u003e\n\u003ch2\u003e7531 Air-Gap Dual Plane Intake for AMC \/ Jeep 304, 360 \u0026amp; 401\u003c\/h2\u003e\n\u003cp\u003eAn Air-Gap, dual-plane intake manifold for AMC V8s: the 304, 360 and 401 used in AMC cars and in Jeep CJ, Wagoneer, Grand Wagoneer, Cherokee and J-Series trucks. The open space under the runners keeps them away from lifter-valley heat, so the air\/fuel charge stays cooler and denser. Power band: 1,500 to 6,500 RPM.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAir-Gap dual-plane design, 5.11 in. height\u003c\/li\u003e\n\u003cli\u003e4150-style square-bore 4-barrel carburetor flange\u003c\/li\u003e\n\u003cli\u003eOperating range: 1,500–6,500 RPM\u003c\/li\u003e\n\u003cli\u003eStandard oil fill, plus accessory bosses for the early air-conditioning support bracket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hz-note\"\u003e\n\u003cp\u003e\u003cstrong\u003eBefore you order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor 1970-and-later AMC V8s (304, 360, 401). Not for Chrysler \/ Mopar 360 engines.\u003c\/li\u003e\n\u003cli\u003eMost of these Jeeps came with a 2-barrel carburetor. This intake takes a 4-barrel, so plan the carburetor, throttle linkage and kickdown at the same time.\u003c\/li\u003e\n\u003cli\u003eCheck air cleaner clearance on CJ models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAMC 304 (5.0L)\u003c\/li\u003e\n\u003cli\u003eAMC 360 (5.9L)\u003c\/li\u003e\n\u003cli\u003eAMC 401 (6.6L)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSee our \u003ca href=\"\/collections\/jeep-amc-v8-intake-manifolds\"\u003eJeep AMC V8 page\u003c\/a\u003e for vehicles by year. Full specifications are in the Specifications tab.\u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × intake manifold\u003c\/li\u003e\n\u003cli\u003eAdditional parts as shown in the product photos\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Haytalras\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt in our own factory.\u003c\/strong\u003e We cast and CNC-machine our intake manifolds in-house. The same factory has produced intake manifolds for Holley, TSP and Professional Products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChecked before it ships.\u003c\/strong\u003e Every manifold goes through air-tightness, dimensional and visual inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips from the US.\u003c\/strong\u003e Free shipping from our California and Georgia warehouses, out the door within 24 hours, usually delivered in 3–7 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacked by us.\u003c\/strong\u003e 30-day free returns and a 1-year warranty on casting defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003e7531 or 2131?\u003c\/h3\u003e\n\u003cp\u003eBoth fit the 304, 360 and 401. The 7531 Air-Gap runs a cooler charge for more power on a built engine; the \u003ca href=\"\/products\/amc-jeep-v8-dual-plane-square-bore-intake-manifold-2131\"\u003e2131\u003c\/a\u003e is the choice for a stock-style or towing engine.\u003c\/p\u003e\n\u003ch3\u003eWill it fit my Grand Wagoneer?\u003c\/h3\u003e\n\u003cp\u003eYes. The 1984–1991 Grand Wagoneer uses the AMC 360.\u003c\/p\u003e\n\u003ch3\u003eNot sure it fits?\u003c\/h3\u003e\n\u003cp\u003eEmail \u003ca href=\"mailto:haytalras@gmail.com\"\u003ehaytalras@gmail.com\u003c\/a\u003e with your vehicle and engine and we'll confirm before you order.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Haytalras","offers":[{"title":"Satin","offer_id":49625936625923,"sku":"7531","price":247.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/2374\/4771\/files\/HaytalrasSmallBlockAir-GapDualPlaneIntakeManifoldforAMCJeepV8GAS304360401_Main.png?v=1783063065"}],"url":"https:\/\/www.haytalras.com\/collections\/jeep-amc-v8-intake-manifolds.oembed","provider":"Haytalras","version":"1.0","type":"link"}