{"product_id":"ace-street-gen-iii-hemi-cgi-block","title":"ACE STREET – Gen III HEMI CGI Engine Block | 4.090\" Standard Deck, Factory VCT","description":"\u003cp\u003e\u003cstrong\u003eThe drop-in CGI upgrade.\u003c\/strong\u003e ACE STREET is the block for a Gen III HEMI build that keeps the factory valvetrain exactly as it sits. Standard 9.285\" deck, stock lifters, factory variable cam timing and your stock cam — nothing else in the engine has to change. You get compacted graphite iron strength without a parts list of supporting modifications.\u003c\/p\u003e\n\n\u003ch3\u003eThis build\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeck height \u0026amp; lifters:\u003c\/strong\u003e Standard 9.285\" deck, stock lifters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiming drive \u0026amp; cam:\u003c\/strong\u003e VCT (variable cam timing) with stock cam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore \u0026amp; finish:\u003c\/strong\u003e 4.090\", rough\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice:\u003c\/strong\u003e $4,200 — direct from the manufacturer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eFits Gen III HEMI 5.7L and 6.1L. A true drop-in: it keeps your factory VCT, stock cam, and stock lifters, so your existing timing control and valvetrain carry straight over.\u003c\/p\u003e\n\n\u003ch3\u003eMachine work required\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eRough bore.\u003c\/strong\u003e This block ships .003\" undersize at 4.090\". Your machine shop finish-hones it to final bore before ring fit — standard practice on any fresh build, and it lets your shop match the hone to your ring package.\u003c\/p\u003e\n\n\u003ch3\u003eSupporting parts\u003c\/h3\u003e\n\u003cp\u003eNone required beyond your normal rebuild parts. Standard deck height means standard-length intake, pushrods, and front drive. VCT is retained, so factory timing electronics work as-is.\u003c\/p\u003e\n\n\u003ch3\u003eACE CGI engineering — on every block\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompacted graphite iron, 450 MPa minimum tensile strength (GJV-450)\u003c\/li\u003e\n\u003cli\u003e6-bolt 4140 billet steel main caps on all five mains\u003c\/li\u003e\n\u003cli\u003eM14 head stud threads in the deck; 9.5\" studs for roughly 50% more stretch compliance, so clamp load stays stable through a knock event\u003c\/li\u003e\n\u003cli\u003eTrue priority main oil gallery, dedicated lifter secondary circuit, and a straight filter-to-MOG feed with no 90° turns\u003c\/li\u003e\n\u003cli\u003eDry sump feed provision; cast-in -8 ORB oil drain-back ports at the pan rail by cylinders 1 and 2\u003c\/li\u003e\n\u003cli\u003eFully water jacketed — race block strength, street driveable\u003c\/li\u003e\n\u003cli\u003e100% stock mount compatibility, including TRX engine mounts and SUV front differential mounts\u003c\/li\u003e\n\u003cli\u003eSerialized casting, shipped with its CMM report and full casting and machining QC documentation\u003c\/li\u003e\n\u003cli\u003eCast and machined in-house at our Michigan foundry and CNC cell\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOrdering\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePRE-ORDER\u003c\/strong\u003e — reserve your block now. Orders are fulfilled in the sequence received, and we confirm your production slot by email once your order is placed.\u003c\/p\u003e\n\u003cp\u003eFull payment at checkout. Direct from the manufacturer — same price for everyone, no dealer markup, no middlemen. Free shipping within the USA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure it fits your build?\u003c\/strong\u003e Talk to an ACE engineer before you order: \u003ca href=\"mailto:eric@aceinc.shop\"\u003eeric@aceinc.shop\u003c\/a\u003e · \u003ca href=\"tel:+16159242737\"\u003e(615) 924-2737\u003c\/a\u003e. We would rather spend ten minutes on your combination than have you order the wrong deck height.\u003c\/p\u003e\n\n\u003ch3\u003eNeed a different bore, deck, or cam setup?\u003c\/h3\u003e\n\u003cp\u003eACE STREET is one fixed configuration. Every other combination — tall deck, splay roller lifters, non-VCT front drives, larger bores, factory-honed finishes — is available on our \u003ca href=\"\/products\/gen-iii-hemi-engine-block-cgi\"\u003eBuild Your Own Gen III HEMI CGI Block\u003c\/a\u003e page.\u003c\/p\u003e","brand":"ACE INC","offers":[{"title":"Default Title","offer_id":48333910671618,"sku":"ACE-BLK-STREET","price":4200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8693\/4530\/files\/gen-iii-hemi-engine-block-cgi-purple_f4af3229-2715-4126-a577-e622918bc26e.jpg?v=1786706011","url":"https:\/\/aceinc.shop\/products\/ace-street-gen-iii-hemi-cgi-block","provider":"ACE INC ","version":"1.0","type":"link"}