{"product_id":"atomic-barra-built-cylinder-heads-core-exchange","title":"Atomic Barra Built Cylinder Heads | CORE EXCHANGE","description":"\u003cdiv class=\"atomic-header\"\u003e\n\u003ch1 class=\"atomic-title\"\u003eAtomic Built Cylinder Heads\u003c\/h1\u003e\n\u003cdiv class=\"atomic-subtitle\"\u003eStage 2–6 | Exchange Program\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"atomic-section\"\u003e\n\u003ch3\u003e🔄 Exchange Basis Only\u003c\/h3\u003e\n\u003cp\u003eAll Atomic Cylinder Heads are sold on an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExchange Basis\u003c\/strong\u003e. You must provide a serviceable core.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed a core?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe may be able to provide one at an additional cost based on current stock. Please contact us to discuss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe can help organize shipping of your core to our workshop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"atomic-section\"\u003e\n\u003cdiv class=\"atomic-grid\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eUnlock The Power In Your Head\u003c\/h2\u003e\n\u003cp\u003eThe Barra cylinder head flows well from the factory, but there is massive room for improvement in velocity and efficiency. Whether you need a simple refresh for a street car or a dedicated race head to support 1500hp+, our staged program offers a solution for every build.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e💡 DID YOU KNOW?\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eVelocity is King.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOur Stage 4 Hand Porting increases both flow AND velocity by 10-12%. This isn't just about peak numbers; the increased velocity dramatically improves low-end torque, turbo spool, and throttle response. Next Gen Motorsports swapped to our Stage 4 head on a 1400+hp build and described the car as an \"animal\" that drove completely differently off-boost.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eThe Atomic Standard\u003c\/h2\u003e\n\u003cp\u003eEvery head we build starts with a rigorous inspection process. Castings are pressure tested, checked for cracks, and cam tunnels are honed. We deck every head to a specific surface finish optimized for MLS-D gaskets, ensuring a perfect seal under boost.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/5548\/1713\/files\/intake_ports_stage_4_hand_2.jpg?v=1769768234\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Atomic","offers":[{"title":"Stage 2 | STD Port | 80lbs springs | Turbo exhaust valves \/ BA (18mm solenoids)","offer_id":46874001375390,"sku":null,"price":2806.89,"currency_code":"AUD","in_stock":true},{"title":"Stage 2 | STD Port | 80lbs springs | Turbo exhaust valves \/ FG (20mm solenoids)","offer_id":46874001408158,"sku":null,"price":2806.89,"currency_code":"AUD","in_stock":true},{"title":"Stage 3 | STD Port | 90-100lbs springs | All new stainless steel valves \/ BA (18mm solenoids)","offer_id":46874001440926,"sku":null,"price":3725.43,"currency_code":"AUD","in_stock":true},{"title":"Stage 3 | STD Port | 90-100lbs springs | All new stainless steel valves \/ FG (20mm solenoids)","offer_id":46874001473694,"sku":null,"price":3725.43,"currency_code":"AUD","in_stock":true},{"title":"Stage 4 | Hand Ported | 100-125lbs springs | \/ BA (18mm solenoids)","offer_id":46874001506462,"sku":null,"price":4643.97,"currency_code":"AUD","in_stock":true},{"title":"Stage 4 | Hand Ported | 100-125lbs springs | \/ FG (20mm solenoids)","offer_id":46874001539230,"sku":null,"price":4643.97,"currency_code":"AUD","in_stock":true},{"title":"Stage 5 | CNC Ported \/ BA (18mm solenoids)","offer_id":46874001571998,"sku":null,"price":7298.5,"currency_code":"AUD","in_stock":true},{"title":"Stage 5 | CNC Ported \/ FG (20mm solenoids)","offer_id":46874001604766,"sku":null,"price":7298.5,"currency_code":"AUD","in_stock":true},{"title":"Stage 6 | CNC Ported \/ BA (18mm solenoids)","offer_id":46874001637534,"sku":null,"price":13268.27,"currency_code":"AUD","in_stock":true},{"title":"Stage 6 | CNC Ported \/ FG (20mm solenoids)","offer_id":46874001670302,"sku":null,"price":13268.27,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0323\/6482\/2661\/files\/Atomic_Barra_Built_Cylinder_Heads_2000x_ff002c94-ac57-4b90-b96a-930e45fdd10b.jpg?v=1779708040","url":"https:\/\/www.performanceheaven.com.au\/products\/atomic-barra-built-cylinder-heads-core-exchange","provider":"performanceheaven","version":"1.0","type":"link"}