{"product_id":"oem-turbo-buick-109-main-caps-set-of-2","title":"OEM Turbo Buick 109 Main Caps (Set of 2)","description":"\u003cp data-start=\"85\" data-end=\"460\"\u003eAuthentic GM main caps for the Turbo Buick 109 block. These caps are \u003cstrong data-start=\"208\" data-end=\"225\"\u003enew old stock\u003c\/strong\u003e (NOS) and have never been installed, but they do show light cosmetic oxidation and marks from long-term storage. Structurally perfect and ready for machine work, they’re ideal for anyone restoring or blueprinting a factory 109 engine.\u003c\/p\u003e\n\u003cp data-start=\"462\" data-end=\"521\"\u003e🔵 \u003cstrong data-start=\"465\" data-end=\"521\"\u003eBlue Dot – Verified New \/ Excellent Stored Condition\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"523\" data-end=\"779\"\u003e\u003cstrong data-start=\"523\" data-end=\"542\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"542\" data-end=\"545\"\u003e• Application: 1986–1987 Buick Turbo V6 (109 block)\u003cbr data-start=\"596\" data-end=\"599\"\u003e• Material: Cast iron (OEM)\u003cbr data-start=\"626\" data-end=\"629\"\u003e• Includes: Two main caps (as pictured)\u003cbr data-start=\"668\" data-end=\"671\"\u003e• Condition: New old stock — never installed\u003cbr data-start=\"715\" data-end=\"718\"\u003e• Notes: Must be line-honed to your block during installation\u003c\/p\u003e\n\u003cp data-start=\"781\" data-end=\"1003\"\u003e\u003cstrong data-start=\"781\" data-end=\"801\"\u003eCondition Notes:\u003c\/strong\u003e\u003cbr data-start=\"801\" data-end=\"804\"\u003e• Light surface oxidation from storage\u003cbr data-start=\"842\" data-end=\"845\"\u003e• No cracks, no thread damage, no stress marks\u003cbr data-start=\"891\" data-end=\"894\"\u003e• Mounting surfaces clean and unmodified\u003cbr data-start=\"934\" data-end=\"937\"\u003e• Perfect candidates for precision machining and engine rebuilding\u003c\/p\u003e\n\u003cp data-start=\"1005\" data-end=\"1297\"\u003e\u003cstrong data-start=\"1005\" data-end=\"1025\"\u003eWhy You Want It:\u003c\/strong\u003e\u003cbr data-start=\"1025\" data-end=\"1028\"\u003eOEM GM main caps in new condition are extremely rare. If you’re building a correct 109 engine or replacing damaged caps, this set gives you original GM geometry with zero prior wear. Machine shops prefer OEM hardware for accurate align-honing and long-term reliability.\u003c\/p\u003e\n\u003cp data-start=\"1299\" data-end=\"1452\"\u003e⚠️ All Turbo 6 Parts are sold as-is with no returns, refunds, or exchanges. Buyer is responsible for verifying fitment and compatibility before purchase.\u003c\/p\u003e","brand":"Watts Performance Solutions","offers":[{"title":"Default Title","offer_id":42549790867519,"sku":"pauls","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/2310\/3039\/files\/ScreenShot2025-11-13at12.04.39PM.png?v=1763054074","url":"https:\/\/wattsperformance.com\/products\/oem-turbo-buick-109-main-caps-set-of-2","provider":"Watts Performance Solutions","version":"1.0","type":"link"}