{"title":"A90 B58","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eA90 \/ A91\u003cbr\u003e\u003cspan\u003eG20 M340i\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003eG42 M240i\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"klm-b58-stage-2-engine-build-1-200-whp","title":"KLM B58 Stage 2 Engine Build (1,200 WHP)","description":"\u003cp\u003e\u003cstrong\u003eYou will receive an email after placing this order to confirm freight and final shipping cost.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eStage 2 is where the real upgrades start. If you're already looking at cams and valves for a Stage 1, you're better off here, since Stage 2 isn't a-la-carte parts stacked on a lower tier, it's a complete step up in what the bottom end and head can survive. Rods move to BC I-Beam, stronger under load and built to hold more power. Pistons step up to a higher rated CP-Carrillo spec, and the head gets actual GSC intake and exhaust valves and Kelford or GSC cams instead of a stock valvetrain. We also machine the block in-house to accept oversized ARP studs at this stage, standard hardware doesn't cut it once you're pushing this far past factory.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eIt is built to safely support tuning up to 1,200 WHP, not a promise that your engine makes 1,200 WHP out of the box. Send us your engine or buy a core from us and we build the whole thing start to finish. Either way it comes back ready to run once it's through break-in.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e\u003cem\u003eKey Specs\u003c\/em\u003e\u003c\/strong\u003e\u003cbr\u003eRated to safely support tuning up to 1,200 WHP.\u003cbr\u003eEvery build follows our researched and validated Stage 2 spec. Individual engines are not dyno tested.\u003cbr\u003eBreak-in period required. Instructions included with every build.\u003cbr\u003eSend in your own engine or purchase a core from KLM for a complete build.\u003cbr\u003eTurnaround is typically 3 to 4 weeks, occasionally longer depending on parts availability and build queue.\u003c\/p\u003e","brand":"KLM Race","offers":[{"title":"Default Title","offer_id":43439747006538,"sku":"KLM-237","price":16299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/5431\/9690\/files\/c7c16eb5-B58-Engine-Stage-2-2.jpg?v=1774364129"},{"product_id":"klm-b58-stage-1-engine-build-1-000-whp","title":"KLM B58 Stage 1 Engine Build (1,000 WHP)","description":"\u003cp\u003e\u003cstrong\u003eYou will receive an email after placing this order to confirm freight and final shipping cost.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eKLM B58 Stage 1 Engine Build (1,000 WHP)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThis is our baseline for anyone pushing a B58 past what the factory internals were ever built to survive. Stage 1 covers the rotating assembly, head hardware, and sealing, everything that has to hold when boost and timing start climbing. It is built to safely support tuning up to 1,000 WHP, not a promise that your engine makes 1,000 WHP out of the box. That number is a ceiling, and we build with margin above it on purpose.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eSend us your engine or buy a core from us and we build the whole thing start to finish. Either way it comes back ready to run once it's through break-in.\u003cbr\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e\u003cem\u003eKey Specs\u003c\/em\u003e\u003c\/strong\u003e\u003cbr\u003eRated to safely support tuning up to 1,000 WHP.\u003cbr\u003eEvery build follows our researched and validated Stage 1 spec. Individual engines are not dyno tested.\u003cbr\u003eBreak-in period required. Instructions included with every build.\u003cbr\u003eSend in your own engine or purchase a core from KLM for a complete build.\u003cbr\u003eTurnaround is typically 3 to 4 weeks, occasionally longer depending on parts availability and build queue.\u003cbr\u003e\u003c\/p\u003e","brand":"KLM Race","offers":[{"title":"Default Title","offer_id":43439747334218,"sku":"KLM-236","price":11999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/5431\/9690\/files\/4daa48c4-B58-Engine-Stage-1.jpg?v=1774364133"},{"product_id":"a90-a91-6-port-savage-series-turbo-kit-1","title":"A90\/A91 6-Port SAVAGE Series Turbo Kit","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe 6-Port SAVAGE is the big-single kit for the 6-port B58 Supra, built the same way we build everything: hot parts fabricated in-house so the packaging is ours, not a vendor's. The manifold, 4\" downpipe, and turndown are welded up as one assembly, which lets us keep the runners tight to the head and prioritize the wastegate so exhaust energy hits boost control before it reaches the turbine. We run the Turbosmart GenV HyperGate45 to keep that control honest under load.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe fittings and block adapters are machined here. Oil return, coolant block fittings front and rear, the catch can block fitting, and the oil feed are all cut for this application, so they seat clean on the 6-port block without stacking adapters to make something generic fit. The drain line, the Sportsman drain outlet flange, and the 22\" stainless feed line are built to the kit, not adapted to it.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eWe don't touch the compressor housing to make a turbo fit. That means you can swap turbos at the track without cutting or welding, so when your combo changes the kit doesn't fight you.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eImportant, read before you buy:\u003c\/strong\u003e This SAVAGE kit ships with a 4\" downpipe and turndown. Running a full exhaust means going 4\" all the way back, or modifying your existing exhaust to mate to the 4\" downpipe. Plan for that before you order.\u003c\/p\u003e","brand":"KLM Race","offers":[{"title":"No Turbo","offer_id":43761878892618,"sku":"KLM-132","price":7400.0,"currency_code":"USD","in_stock":true},{"title":"Precision 6880","offer_id":43761878925386,"sku":"KLM-133","price":10559.28,"currency_code":"USD","in_stock":true},{"title":"Precision 7480","offer_id":43761878958154,"sku":"KLM-134","price":10750.78,"currency_code":"USD","in_stock":true},{"title":"Precision 7680","offer_id":43761878990922,"sku":"KLM-135","price":11373.16,"currency_code":"USD","in_stock":true},{"title":"Precision 8080","offer_id":43761879023690,"sku":"KLM-136","price":11373.14,"currency_code":"USD","in_stock":true},{"title":"Precision 8085","offer_id":43761879056458,"sku":"KLM-137","price":11373.14,"currency_code":"USD","in_stock":true},{"title":"Precision 8385","offer_id":43761879089226,"sku":"KLM-138","price":11612.52,"currency_code":"USD","in_stock":true},{"title":"Precision 8685","offer_id":43761879121994,"sku":"KLM-139","price":11782.23,"currency_code":"USD","in_stock":true},{"title":"Precision R73.9","offer_id":43761879154762,"sku":"KLM-140","price":11540.7,"currency_code":"USD","in_stock":true},{"title":"Garrett G42-1200","offer_id":43761879187530,"sku":"KLM-141","price":9971.27,"currency_code":"USD","in_stock":true},{"title":"Garrett G45-1475","offer_id":43761879220298,"sku":"KLM-142","price":12049.3,"currency_code":"USD","in_stock":true},{"title":"Garrett GXR42-68","offer_id":43761879253066,"sku":"KLM-145","price":10661.2,"currency_code":"USD","in_stock":true},{"title":"Garrett GXR45-73","offer_id":43761879285834,"sku":"KLM-146","price":11626.23,"currency_code":"USD","in_stock":true},{"title":"Turbosmart 7880 Pro Cover","offer_id":43761879318602,"sku":"KLM-143","price":11039.99,"currency_code":"USD","in_stock":true},{"title":"Turbosmart 8280 Pro Cover","offer_id":43761879351370,"sku":"KLM-144","price":11039.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/5431\/9690\/files\/c10254cd-Untitled-1.jpg?v=1774364132"},{"product_id":"bmw-m240i-m340i-g20-g42-1","title":"BMW M240i\/M340i (G20\/G42) Turbo Kit","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe M240i \/ M340i Turbo Kit is our standard big-single setup for the Gen 2 B58, covering both the G42 and G20 on the same hardware. It's built the way we build all our hot parts: fabricated in-house so the packaging is ours instead of a vendor's. The manifold and downpipe are welded up here, which keeps the runners tight to the head and prioritizes the wastegate so exhaust energy reaches boost control before it hits the turbine. We run the Turbosmart GenV HyperGate45 to keep that control honest under load.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe fittings and block adapters are machined in-house. Oil feed, oil return, and both coolant block fittings are cut for the B58, so they seat clean without stacking adapters to make something generic fit. The drain line, the 10AN oil drain outlet flange, and the 22\" stainless feed line are built to the kit, not adapted to it.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eWe don't modify the compressor housing to make a turbo fit. That's on purpose. You can swap turbos at the track without cutting or welding, so when your combo changes the kit doesn't fight you.\u003c\/p\u003e","brand":"KLM Race","offers":[{"title":"Precision 6466","offer_id":43762036703306,"sku":"KLM-158","price":6170.55,"currency_code":"USD","in_stock":true},{"title":"Precision 6870","offer_id":43762036736074,"sku":"KLM-160","price":8769.8,"currency_code":"USD","in_stock":true},{"title":"Precision 7275","offer_id":43762036768842,"sku":"KLM-157","price":8816.28,"currency_code":"USD","in_stock":true},{"title":"Precision 7675","offer_id":43762036801610,"sku":"KLM-161","price":8869.27,"currency_code":"USD","in_stock":true},{"title":"Garrett G35-1050","offer_id":43762036834378,"sku":"KLM-162","price":8980.6,"currency_code":"USD","in_stock":true},{"title":"Garrett G40-1150","offer_id":43762036867146,"sku":"KLM-163","price":9080.6,"currency_code":"USD","in_stock":true},{"title":"Turbosmart 6870","offer_id":43762036899914,"sku":"KLM-164","price":8899.34,"currency_code":"USD","in_stock":true},{"title":"Turbosmart 7275","offer_id":43762036932682,"sku":"KLM-165","price":9082.94,"currency_code":"USD","in_stock":true},{"title":"Turbosmart 7675","offer_id":43762036965450,"sku":"KLM-166","price":9129.73,"currency_code":"USD","in_stock":true},{"title":"No Turbo","offer_id":43762036998218,"sku":"KLM-158","price":6170.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/5431\/9690\/files\/660d428d-KLM-A91-6-Port-Complete-scaled.jpg?v=1774364149"},{"product_id":"klm-b58-stage-3-engine-build-1-300-whp","title":"KLM B58 Stage 3 Engine Build (1,300 WHP)","description":"\u003cp\u003e\u003cstrong\u003eYou will receive an email after placing this order to confirm freight and final shipping cost.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eStage 3 keeps the factory 3.0L stroke and shifts the focus to the head. We do 5-axis CNC porting in-house along with a full valve job, smoother ports, less turbulence, better seal, more air moving through the head at the same displacement. Rods, pistons, bearings, and cams carry over from Stage 2, and oversized ARP studs with the in-house machining that fits them carry through as well.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eIt is built to safely support tuning up to 1,300 WHP, not a promise that your engine makes 1,300 WHP out of the box. Send us your engine or buy a core from us and we build the whole thing start to finish. Either way it comes back ready to run once it's through break-in.\u003cbr\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e\u003cem\u003eKey Specs\u003c\/em\u003e\u003c\/strong\u003e\u003cbr\u003eRated to safely support tuning up to 1,300 WHP.\u003cbr\u003eEvery build follows our researched and validated Stage 3 spec. Individual engines are not dyno tested.\u003cbr\u003eBreak-in period required. Instructions included with every build.\u003cbr\u003eSend in your own engine or purchase a core from KLM for a complete build.\u003cbr\u003eTurnaround is typically 3 to 4 weeks, occasionally longer depending on parts availability and build queue.\u003c\/p\u003e","brand":"KLM Race","offers":[{"title":"Default Title","offer_id":43439747891274,"sku":"KLM-238","price":19999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/5431\/9690\/files\/ab837e5c-B58-Stage-3.jpg?v=1774364137"},{"product_id":"klm-b58-stage-4-savage-engine-build-1-500-whp","title":"KLM B58 Stage 4 SAVAGE Engine Build (1,500 WHP)","description":"\u003cp\u003e\u003cstrong\u003eYou will receive an email after placing this order to confirm freight and final shipping cost.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eIf you're building a Stage 4, we already know what you're doing. This is drag car territory, or you're chasing a number most B58 owners will never see. This is our peak build, the one we throw everything at because anything less won't survive what you're about to put it through. Displacement moves to a 3.2L stroker as standard, not an add-on. Pistons are KLM Custom Spec, made to our own spec, not a catalog part with a rating stamped on the box. The head gets our KLM Spec modification, welding and machining to reinforce it beyond what the casting can handle stock, on top of the same 5-axis CNC porting from Stage 3. At 1,500 plus whp, the head has to survive just as hard as the bottom end.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eSend us your engine or buy a core from us and we build the whole thing start to finish. Either way it comes back ready to run once it's through break-in.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003cem\u003eKey Specs\u003c\/em\u003e\u003c\/strong\u003e\u003cbr\u003eRated for 1,500+ WHP. Our own shop car and several customer builds are currently running in the 1,600 whp range on this spec.\u003cbr\u003eThis is our current peak build level. No stage above this exists.\u003cbr\u003eEvery build follows our researched and validated Stage 4 spec. Individual engines are not dyno tested.\u003cbr\u003eBreak-in period required. Instructions included with every build.\u003cbr\u003eSend in your own engine or purchase a core from KLM for a complete build.\u003cbr\u003eTurnaround is typically 3 to 4 weeks, occasionally longer depending on parts availability and build queue.\u003c\/p\u003e","brand":"KLM Race","offers":[{"title":"Default Title","offer_id":43439748546634,"sku":"KLM-239","price":26999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/5431\/9690\/files\/79b49575-B58-Stage-4-SAVAGE.jpg?v=1774364144"}],"url":"https:\/\/www.klmrace.com\/collections\/a90-b58.oembed","provider":"KLM Race","version":"1.0","type":"link"}