{"product_id":"racing-head-services-rhs12062-rhs-sb-chev-pro-action-aluminium-bare-heads-235cc-intake-runner-64cc-chamber-angle-plugs-each","title":"Racing Head Services RHS12062 Rhs SB Chev Pro Action Aluminium Bare Heads 235Cc Intake Runner 64Cc Chamber Angle Plugs (each)","description":"\u003cp\u003eThese heads deliver significant gains in both power and torque for all Small Block Chevrolet applications - right out of the box. Pro Action SBC Aluminium Heads are the perfect choice for a variety of performance engines, including street rod, muscle car, oval track and drag racing applications.\u003c\/p\u003e\u003cp\u003e Standard features include a multi-angle Serdi valve job, cast aluminium construction, multi-angle intake and radiused exhaust valve seats for up to 5% more airflow than the competition. Advanced port\/runner\/chamber design and modified water jackets for optimal performance \u0026amp; added reliability. Valve springs up to 1.550\" and all standard rocker arms and valve train components are accepted.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCylinder Head Specification:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eEngine Family: Small Block Chevy\u003c\/li\u003e\n\u003cli\u003eCylinder Head Series: Pro Action\u003c\/li\u003e \u003cli\u003eCylinder Head Style: 23\u0026amp;deg;\u003c\/li\u003e\n\u003cli\u003e configuration: Assembled\u003c\/li\u003e \u003cli\u003eMaterial: Aluminium\u003c\/li\u003e \u003cli\u003eValve Angles: 23\u0026amp;deg; \u003c\/li\u003e\n\u003cli\u003eIntake Runner: 235cc \u003c\/li\u003e\n\u003cli\u003eExhaust Runner: 74cc \u003c\/li\u003e\n\u003cli\u003eChamber: 64cc\u003c\/li\u003e \u003cli\u003eSpark Plugs: Angle\u003c\/li\u003e \u003cli\u003eIntake Valve: 2.080\"\u003c\/li\u003e \u003cli\u003eExhaust Valve: 1.600\"\u003c\/li\u003e \u003cli\u003eValve Length: .100\" Long \u003c\/li\u003e\n\u003cli\u003eCylinder Head Application (c.i.): 383-421 c.i.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Racing Head Services","offers":[{"title":"Default Title","offer_id":44879608152375,"sku":"RHS12062","price":1002.4,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/135189.jpg?v=1780374032","url":"https:\/\/enginemaster.com.au\/products\/racing-head-services-rhs12062-rhs-sb-chev-pro-action-aluminium-bare-heads-235cc-intake-runner-64cc-chamber-angle-plugs-each","provider":"Engine Master","version":"1.0","type":"link"}