{"product_id":"e-cnc-big-block-chevy-rectangle-port-cylinder-head-hydraulic-roller","title":"E-CNC Big-Block Chevy Rectangle Port Cylinder Head Hydraulic Roller","description":"\u003cp\u003eThe Edelbrock part #79559 Big Block Chevy E-CNC 355 cylinder head is the ultimate in performance. This cylinder head is fully CNC ported for maximum horsepower and torque, making them ideal for high-performance's street and light duty racing applications. They also feature high-quality lightweight valve springs and heavy duty hardware for maximum lift and maintain the stock exhaust port location. E-CNC 355 FOR B\/B CHEVY (RECTANGLE PORT) FEATURES: - This cylinder head delivers maximum horsepower and torque in high Performance's street and light duty racing applications - Full CNC porting of the combustion chambers, intake \u0026amp; exhaust runners; improving air-flow \u0026amp; overall performance potential - This head has a 24.5deg x 4.4deg intake valve angle, 15.5deg x 4.2deg exhaust valve angle and exhaust ports that have been raised 0.125\" but are still in the stock location - Spark plug angles have been modified to produce a smooth flame front for increased fuel efficiency \u0026amp; maximum power - combustion chamber size of 118cc - Equipped with valve springs for use in hydraulic roller applications\u003c\/p\u003e","brand":"EDELBROCK","offers":[{"title":"Default Title","offer_id":52524114542963,"sku":"79555","price":2725.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0897\/6289\/0099\/files\/079555_v1.jpg?v=1752025638","url":"https:\/\/dspperformancemotorsports.com\/products\/e-cnc-big-block-chevy-rectangle-port-cylinder-head-hydraulic-roller","provider":"DSP PERFORMANCE MOTORSPORTS","version":"1.0","type":"link"}