{"product_id":"1971-chevy-400-heads-matched-set-original-gm-used-3973493-pair","title":"1971 Chevy 400 Heads, Matched Set, Original GM Used 3973493 Pair","description":"\u003cb\u003e1971 Chevy 400 Heads, Matched Set, Original GM Used 3973493 Pair\u003cbr\u003e\u003c\/b\u003e\u003cbr\u003eRare original heads for your 1971 Chevrolet Chevelle. Correct fit for all 71 models with a 400 small block V8 engine. Just came from a 30 year old GM parts collection. No stripped out threads or goofy issues. All valves move freely, intake 194 and exhaust 160. Hard to find matched 1971 dated set.\u003cbr\u003e\u003cbr\u003eThese feature the correct provision for the temperature sending unit.\u003cbr\u003e\u003cbr\u003eOne Date Coded E 26 71 = May 26, 1971\u003cbr\u003eOne Date Coded E 28 71 = May 28, 1971\u003cbr\u003e\u003cbr\u003e\u003ci\u003e* The ones you will receive will be the ones pictured.\u003c\/i\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePART NUMBR: ENC-4285\u003c\/b\u003e","brand":"PART # ENC-4285","offers":[{"title":"Default Title","offer_id":46683390214302,"sku":"ENC-4285","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6591\/5550\/files\/ENC-4285-2.jpg?v=1775678246","url":"https:\/\/musclecarcentral.com\/products\/1971-chevy-400-heads-matched-set-original-gm-used-3973493-pair","provider":"Muscle Car Central","version":"1.0","type":"link"}