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Designed to optimize airflow, fuel combustion, and power delivery, these heads are built for maximum horsepower and torque at high RPMs. Whether you’re dominating the drag strip, tearing through dirt tracks, or pushing your muscle car to the limit, upgrading your cylinder heads is key to gaining a competitive edge.\u003c\/p\u003e\n\u003cp data-start=\"504\" data-end=\"547\"\u003e🔧 \u003cstrong data-start=\"507\" data-end=\"545\"\u003eWhat You’ll Find in This Category:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"548\" data-end=\"923\"\u003e\n\u003cli data-start=\"548\" data-end=\"641\"\u003e\n\u003cstrong data-start=\"550\" data-end=\"581\"\u003eAluminum \u0026amp; Cast Iron Heads:\u003c\/strong\u003e Lightweight or ultra-durable options to match your build.\u003c\/li\u003e\n\u003cli data-start=\"642\" data-end=\"729\"\u003e\n\u003cstrong data-start=\"644\" data-end=\"674\"\u003ePorted \u0026amp; Polished Designs:\u003c\/strong\u003e Smoother airflow for increased efficiency and power.\u003c\/li\u003e\n\u003cli data-start=\"730\" data-end=\"827\"\u003e\n\u003cstrong data-start=\"732\" data-end=\"763\"\u003eHigh-Flow Valves \u0026amp; Springs:\u003c\/strong\u003e Handle extreme lift and duration for aggressive cam profiles.\u003c\/li\u003e\n\u003cli data-start=\"828\" data-end=\"923\"\u003e\n\u003cstrong data-start=\"830\" data-end=\"866\"\u003ePerformance Combustion Chambers:\u003c\/strong\u003e Optimized shapes for better fuel burn and compression.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"925\" data-end=\"1072\"\u003eEngineered for speed and endurance, these cylinder heads help your engine breathe easier and run harder — so you can cross the finish line first.\u003c\/p\u003e","products":[{"product_id":"afr0911","title":"SBC 180cc Street Heads 75cc S\/P w\/ Heat Riser","description":"\u003cp style=\"color:red;font-weight:bold;\"\u003e⚠️ Currently out of stock — please call (330) 891-9212 or email info@jdr-partsbarnandsalesllc.com to check availability and lead time before ordering.\u003c\/p\u003eCylinder Head - 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