{"id":2428,"date":"2017-08-04T19:24:10","date_gmt":"2017-08-04T19:24:10","guid":{"rendered":"http:\/\/65.110.95.157\/shop\/?post_type=product&#038;p=2428"},"modified":"2022-08-24T13:46:59","modified_gmt":"2022-08-24T13:46:59","slug":"si-trim-head-unit","status":"publish","type":"product","link":"https:\/\/aacorvette.com\/shop\/product\/si-trim-head-unit\/","title":{"rendered":"Si Trim Head Unit"},"content":{"rendered":"<p>The V-2 (ENGINE OILED) and V-3 (SELF-CONTAINED) models, with their highly advanced computer designed gears feature an optimized helical profile which allows for quieter operation while providing superior performance. All V-2 SQ units feature a 3.6:1 internal step-up ratio and are direct bolt-on replacements for our HD V-1 units. The supercharger uses the quieter helical cut gears (3.61:1 ratio). The V2 and V3 Si Supercharger is capable of up to 775HP on modified vehicles. Extraordinary 78% peak efficiency. Ideal for latest generation of improved breathing, high-power street and strip engines.<\/p>\n<p>The new improved Si impeller design provides increased flow and efficiency over earlier designs.<\/p>\n<p>We also have a great \u201cTrade In\u201d program that you should take advantage of when looking to step up to a bigger head unit.<\/p>\n<p><strong>Performance Specs<\/strong><\/p>\n<ul>\n<li>Internal Step-Up Ratio: 3.61:1<\/li>\n<li>Max Speed: 52,000 RPM<\/li>\n<li>Max Boost: 22 PSI<\/li>\n<li>Max Flow: 1,150<\/li>\n<li>CFM Max Power: 775<\/li>\n<li>HP Peak Efficiency: 78%<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p class=\"p1\"><span class=\"s1\">While this is our entry level head unit, it is also the most efficient head unit for stock engines in the 500 \u2013 600 RWHP range.<span class=\"Apple-converted-space\">\u00a0 <\/span>The Si is also the only head unit that can be used in our CARB compliant kits.<\/span><\/p>\n<p><strong>Standard Features:<\/strong><\/p>\n<ul>\n<li>Polished<\/li>\n<li><span class=\"s1\">V2 \u2013 Pressure Lubed from the Engines Oil System \u2013 Helical Cut Gears<\/span><\/li>\n<\/ul>\n","protected":false},"featured_media":2523,"template":"","meta":[],"product_brand":[],"product_cat":[93],"product_tag":[],"class_list":{"0":"post-2428","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-head-units","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"ams_default_variation_id":0,"ams_product_points_reward":[],"ams_product_discount_percentage":0,"ams_price_to_display":2895,"exclude_global_add_ons":false,"addons":[{"name":"Gearcase","type":"multiple_choice","position":0,"required":true,"title_format":"heading","default":"","description_enable":false,"description":"","placeholder_enable":false,"placeholder":"","display":"select","restrictions_type":"any_text","adjust_price":false,"price":"","price_type":"","restrictions":false,"min":"0","max":"0","options":[{"label":"V3- Self Contained Oiling- Helical Cut Gears","price":"100.00","price_type":"quantity_based","image":0,"visibility":true},{"label":"V1 \u2013 Pressure Lubed from the Engines Oil System \u2013 Straight Cut Gears \u2013 HD Bearings","price":"250.00","price_type":"quantity_based","image":0,"visibility":true}]},{"name":"Gearcase Options","type":"multiple_choice","position":1,"required":true,"title_format":"heading","default":"","description_enable":false,"description":"","placeholder_enable":false,"placeholder":"","display":"select","restrictions_type":"any_text","adjust_price":false,"price":"","price_type":"","restrictions":false,"min":"0","max":"0","options":[{"label":"V3- Self Contained Oiling- Helical Cut Gears","price":"75.00","price_type":"quantity_based","image":0,"visibility":true},{"label":"V1 \u2013 Pressure Lubed from the Engines Oil System \u2013 Straight Cut Gears \u2013 HD Bearings","price":"200.00","price_type":"quantity_based","image":0,"visibility":true}]}],"ams_acf":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/aacorvette.com\/shop\/wp-json\/wp\/v2\/product\/2428","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aacorvette.com\/shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/aacorvette.com\/shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aacorvette.com\/shop\/wp-json\/wp\/v2\/media\/2523"}],"wp:attachment":[{"href":"https:\/\/aacorvette.com\/shop\/wp-json\/wp\/v2\/media?parent=2428"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/aacorvette.com\/shop\/wp-json\/wp\/v2\/product_brand?post=2428"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/aacorvette.com\/shop\/wp-json\/wp\/v2\/product_cat?post=2428"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/aacorvette.com\/shop\/wp-json\/wp\/v2\/product_tag?post=2428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}