{"product_id":"perf-rpm-chrysler-big-block-cnc-chamber-hyd-flat","title":"Perf RPM  Chrysler Big Block  CNC Chamber  Hyd Flat","description":"Designed specifically for B \u0026amp; RB series Big-Block Chrysler engines, the Performer RPM 230 cc Cylinder Heads are engineered to deliver the next level of power and performance. These premium cylinder heads feature high-quality components and precision machining to meet the demands of serious street and strip enthusiasts. Manufactured in Edelbrock’s ISO-certified facility in San Jacinto, California, each cylinder head is machined to exacting tolerances for exceptional quality and consistency. With larger 230 cc ports than comparable RPM heads and 73 cc fully CNC combustion chambers, this new design is ideal for high-performance applications that require increased airflow and power, while still maintaining compatibility with off-the-shelf components. These heads are intended for B and RB series Big-Block Chrysler engines not required to meet emission standards. Each Performer RPM 230 cc cylinder head comes fully assembled with premium valvetrain components, including stainless steel one-piece swirl-polished intake and exhaust valves with undercut stems for improved flow, manganese bronze valve guides, ductile iron valve seats, 2-ring positive oil control seals, hardened steel valve spring locators, and Edelbrock Sure-Seat valve springs, retainers, and keepers. Edelbrock’s patented Clean-Cast Technology further enhances performance by eliminating internal casting flaws and creating a smoother surface finish, which improves airflow and coolant circulation. The result is increased power and better cooling right out of the box, making these heads an excellent performance value for any Big-Block Chrysler build. For application-specific use, Part 60025 is designed for Hydraulic Roller applications, while Part 60029 is ideal for Hydraulic Flat Tappet setups.\r\n\u003cul\u003e\t\u003cli\u003eLarge 230cc Intake ports for maximum flow from an \"as-cast\" port\u003c\/li\u003e\r\n\t\u003cli\u003eCNC combustion chambers for cylinder-to-cylinder consistency and performance\u003c\/li\u003e\r\n\t\u003cli\u003eAssembled with spring set for Hydraulic Flat Tappet Camshafts\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cb\u003eVehicle Specific\u003c\/b\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e1961-79 Chrysler 361-440 c.i.d. Wedge engines\u003c\/li\u003e\r\n\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eAttributes:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eBrand Name: \u003c\/b\u003eEdelbrock\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGTIN: \u003c\/b\u003e00085347600298\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCNC Machined Exhaust Port: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCNC Machined Intake Port: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCNC-Machined Combustion Chamber: \u003c\/b\u003eYes\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCNC-Machined Exhaust Runner: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCNC-Machined Intake Runner: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCombustion Chamber Volume: \u003c\/b\u003e75\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCross sell \/ Upsell Part Numbers: \u003c\/b\u003e1723 - Edelbrock Performer RPM Series fuel pump is for Big-Block Chrysler 2191 - Performer 440 Intake Manifold for Chrysler, RB Series 413-440 Engines 7193 - Performer RPM Big Block Chrysler RB Intake Manifold 8592 - Big-Block Chrysler Victor Cylinder Head Bolt Kit 85922 - Edelbrock E-Series Cylinder Head Bolt Kit #85922 for Chrysler big-block\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCylinder Head Style: \u003c\/b\u003eAssembled\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eExhaust Port Location: \u003c\/b\u003eStandard\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eExhaust Port Shape: \u003c\/b\u003eRectangle\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eExhaust Runner Volume: \u003c\/b\u003e75\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eExhaust Valve Angle: \u003c\/b\u003e15\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eExhaust Valve Diameter: \u003c\/b\u003e1.81\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eExhaust Valve Job Diameter: \u003c\/b\u003e1.81\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eExhaust Valve Stem Diameter: \u003c\/b\u003e0.341\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGuide Plates Included: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIntake Port Location: \u003c\/b\u003eStandard\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIntake Port Shape: \u003c\/b\u003eRectangle\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIntake Runner Volume: \u003c\/b\u003e230\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIntake Valve Angle: \u003c\/b\u003e15\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIntake Valve Diameter: \u003c\/b\u003e2.19\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIntake Valve Job Diameter: \u003c\/b\u003e2.19\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIntake Valve Stem Diameter: \u003c\/b\u003e0.341\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eMaterial: \u003c\/b\u003eAluminum\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eQuantity: \u003c\/b\u003eSingle\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRelated Products: \u003c\/b\u003e7325 - Cylinder Head Gasket Set for Chrysler 7591 - Valve Cover Gasket Set for Chrysler 7226 - Exhaust Manifold Gasket Set for Chrysler 7225 - Intake Manifold Gasket Chrysler Big-Block; 361-383-400 \u0026amp; 413-426-440; 1958-79 1076 - Edelbrock high quality RTV silicone 3 oz OE silicone gaskets\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRetainer Diameter: \u003c\/b\u003e1.5\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRetainer Material: \u003c\/b\u003eSteel\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eSpark Plug Style: \u003c\/b\u003eAngle\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eSteam Holes Drilled: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Cover Mounting Style: \u003c\/b\u003ePerimeter bolt\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Guide I.D: \u003c\/b\u003e0.34\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Guide Material: \u003c\/b\u003eManganese Bronze\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Guide Size O.D: \u003c\/b\u003e0.502\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Lock Material: \u003c\/b\u003eSteel\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Lock Style: \u003c\/b\u003e7\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Locks Included: \u003c\/b\u003eYes\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Spring Diameter: \u003c\/b\u003e1.55\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Spring Maximum Lift: \u003c\/b\u003e0.65\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Spring Type: \u003c\/b\u003eDual\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eExtended Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eCountry of Origin: \u003c\/b\u003eUS\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEmissions : \u003c\/b\u003eRacing or Pre-Emissions Use Only\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePacking Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eQuantity of Each: \u003c\/b\u003e1\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003ePackage UOM: \u003c\/b\u003eEA\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eDimension: \u003c\/b\u003e24.75 x 10.5 x 8.25 inches\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eWeight: \u003c\/b\u003e32.2 POUNDS\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePDF:\u003c\/h3\u003e\r\n\u003cp\u003e\r\n\u003c\/p\u003e\u003cdiv\u003e\u003ca href=\"https:\/\/sdda.semadata.org\/Standard\/Edelbrock\/63-0063.pdf\" target=\"_blank\"\u003e\u003cimg 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style=\"display:inline\"\u003e \u003c\/a\u003e\u003c\/div\u003e\r\n\r\n\u003cdiv id=\"sema-product-fitment\" class=\"product__accordion accordion fitment\"\u003e\u003c\/div\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":44336456040493,"sku":"BDVJ-60029","price":2735.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/2780\/2157\/files\/EDEL_60025_2060029_VDetail_1b4569b4-964a-4fb2-a753-205f81545a61.jpg?v=1762922444","url":"https:\/\/montgomeryparts.com\/products\/perf-rpm-chrysler-big-block-cnc-chamber-hyd-flat","provider":"Montgomery Parts","version":"1.0","type":"link"}