{"product_id":"gm-performance-gm24502503-cast-iron-bowtie-race-block-sbc-350-4-bolt-9-025-deck","title":"GM Performance GM24502503 Cast Iron Bowtie Race Block Sbc 350 4 Bolt 9.025\" Deck","description":"\u003cp\u003eThese Chevrolet Performance 350 c.i.d. cast iron racing Bowtie bare engine blocks are CNC-machined from raw castings. All traditional racing modifications are provided by the factory. The heart of these blocks starts with a 3.980-4.155 in. Siamese bore cylinder case. In addition, all galleries required for dry sump oil system operation are drilled and tapped for pipe. 8620 steel bearing caps are installed on all locations of the blocks. The intermediate main bearing caps have the outer 7\/16 in. diameter studs on the inner locations, and 3\/8 in. diameter straight bolts on the outer locations. The rear bearing cap is a 2-stud (7\/16 in. diameter) configuration and utilizes a 2-piece rear seal design. After the installation of the steel bearing caps, the blocks are align bored.\u003cbr\u003e \u003cbr\u003e Additional features include:\u003cbr\u003e \u003cbr\u003e * Priority main oiling\u003cbr\u003e * Enlarged lifter bosses\u003cbr\u003e * Bearing cap inner bolts spread .210 in. to allow use of 2.65 in. diameter journal cranks on properly modified blocks\u003cbr\u003e * Early model 2-piece rear main seals\u003cbr\u003e * Sonic bore check (data provided)\u003cbr\u003e * Use 1985 and earlier oil pans\u003cbr\u003e * Enlarged cam bosses in front and rear allow use of larger bearings\u003cbr\u003e * Use premium quality studs and 8620 200 steel splayed main bearing caps\u003c\/p\u003e \u003cbr\u003e\u003cbr\u003e\u003cul\u003e  \u003cli\u003eMain Journal Type:Chevy 350\u003c\/li\u003e  \u003cli\u003eEngine Block Material:Cast iron\u003c\/li\u003e  \u003cli\u003eEngine Block Style:OEM\u003c\/li\u003e  \u003cli\u003eEngine Block Deck Height:Standard deck\u003c\/li\u003e  \u003cli\u003eDeck Height (in.):9.025 in.\u003c\/li\u003e  \u003cli\u003eCylinder Bore as Shipped:3.980 in.\u003c\/li\u003e  \u003cli\u003eCylinder Bore Diameter:4.000 in.\u003c\/li\u003e  \u003cli\u003eMaximum Bore Diameter (in.):4.155 in.\u003c\/li\u003e  \u003cli\u003eMain Bolt Style:4-bolt\u003c\/li\u003e  \u003cli\u003eMain Caps Included:Yes\u003c\/li\u003e  \u003cli\u003eMain Cap Material:Steel\u003c\/li\u003e  \u003cli\u003eMain Cap Fasteners Included:Yes\u003c\/li\u003e  \u003cli\u003eMain Bearings Included:No\u003c\/li\u003e  \u003cli\u003eRear Main Seal Style:2-piece\u003c\/li\u003e  \u003cli\u003eFinished Cylinder Bores:Yes\u003c\/li\u003e  \u003cli\u003eRaised Cam Location:No\u003c\/li\u003e  \u003cli\u003eCam Bearings Included:No\u003c\/li\u003e  \u003cli\u003eFreeze Plugs Included:Yes\u003c\/li\u003e  \u003cli\u003eQuantity:Sold individually.\u003c\/li\u003e  \u003cli\u003eNotes:Shipped 3.98 unfinished bore. Max bore 4.155 in.\u003c\/li\u003e \u003c\/ul\u003e","brand":"GM Performance","offers":[{"title":"Default Title","offer_id":44875034427703,"sku":"GM24502503","price":6700.7,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/83238.jpg?v=1780435509","url":"https:\/\/enginemaster.com.au\/products\/gm-performance-gm24502503-cast-iron-bowtie-race-block-sbc-350-4-bolt-9-025-deck","provider":"Engine Master","version":"1.0","type":"link"}