{"product_id":"esse-werks-built-s58-long-block-sleeved-800-1400-whp-xdrive-g80-m3-g82-m4-bonus-rka-billet-intake","title":"Esse Werks Built S58 Long Block — Sleeved, 800–1400 WHP Capable — xDrive G80 M3 \/ G82 M4 (+ Bonus RKA Billet Intake)","description":"\u003cp\u003e\u003cstrong\u003eA complete, never-fired S58 long block, built by Esse Werks and orphaned when its project ended mid-build.\u003c\/strong\u003e Zero miles, never run. Finished to spec, then shelved — so it is listed well under what is in it.\u003c\/p\u003e\n\u003cp\u003eThis is the foundation for a serious S58: sleeved, fire-ringed, oversized-studded, with a full CNC-ported head and GSC valvetrain. The hardware window is real — \u003cstrong\u003e800–1400 WHP across a 4,500–8,500 RPM range\u003c\/strong\u003e. Build the turbo and fueling around it and it will hold what you ask of it.\u003c\/p\u003e\n\u003ch3\u003eThe build\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleeved S58 block\u003c\/strong\u003e — ductile-iron sleeves for high-boost cylinder pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCP forged pistons\u003c\/strong\u003e with HD wrist pins\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eForged connecting rods\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire-ringed \/ O-ringed deck\u003c\/strong\u003e — sealed for big power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP oversized 625+ head studs\u003c\/strong\u003e with custom inserts\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFull CNC-ported cylinder head\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGSC valves and springs\u003c\/strong\u003e — fresh valvetrain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGSC S2 camshafts\u003c\/strong\u003e — 284°\/288° advertised, 240°\/242° at .040\", 10.2 \/ 10.8 mm lift, integrated intake cam trigger\u003c\/li\u003e\n\u003cli\u003eBalanced rotating assembly, blueprinted and assembled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eValue\u003c\/h3\u003e\n\u003cp\u003eDocumented build cost is over \u003cstrong\u003e$32,000\u003c\/strong\u003e in parts and machine work; a comparable turnkey build runs \u003cstrong\u003e$34,000-plus\u003c\/strong\u003e. This one is listed at roughly half that — and it ships with a bonus \u003cstrong\u003eRK Autowerks billet port-injection intake manifold ($5,000)\u003c\/strong\u003e included at no charge, putting the effective discount at ~\u003cstrong\u003e50%\u003c\/strong\u003e. One only. When it sells, the listing comes down.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eConfigured for \u003cstrong\u003exDrive G80 M3 \/ G82 M4\u003c\/strong\u003e — oil pan and pickup are chassis-specific. RWD M3\/M4 and F97 X3 M \/ F98 X4 M buyers: confirm pan and pickup for your application before purchasing.\u003c\/p\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cp\u003eComplete assembled long block — sleeved block and CNC-ported head — plus the bonus RK Autowerks billet port-injection intake.\u003c\/p\u003e\n\u003ch3\u003eNot included\u003c\/h3\u003e\n\u003cp\u003eTurbochargers, fuel system and injectors, charge piping, exhaust manifolds, sensors and wiring, accessory drive, ECU\/tune. Bring your bolt-ons and calibration.\u003c\/p\u003e\n\u003cp\u003eNever fired, fully documented, ready to crate for freight. For condition details or a freight quote ($450 to lower 48 states), reach us at commerce@essewerks.com.\u003c\/p\u003e","brand":"Esse Werks","offers":[{"title":"Default Title","offer_id":43310595735613,"sku":"EW-ENG-S58-LB-XDR-001","price":17449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/x58_short_block_02.webp?v=1782864106","url":"https:\/\/essewerks.com\/products\/esse-werks-built-s58-long-block-sleeved-800-1400-whp-xdrive-g80-m3-g82-m4-bonus-rka-billet-intake","provider":"Esse Werks","version":"1.0","type":"link"}