{"product_id":"mahle-ms-piston-set-for-ford-small-block-347ci-with-4-030-inch-bore-and-3-4-inch-stroke","title":"Mahle MS Piston Set for Ford Small Block 347ci with 4.030 Inch Bore and 3.4 Inch Stroke","description":"\u003cp\u003eThe Mahle MS Piston Set designed for Ford Small Block engines offers high-performance components suitable for demanding automotive applications. These pistons are engineered with a 4.030-inch bore diameter and a 3.4-inch stroke, providing a displacement of 347 cubic inches. The set features a compression ratio of 10.4:1, optimized for both power and efficiency. Constructed with a 1.090-inch compression height, these pistons include a .927-inch wrist pin, and each piston weighs approximately 425 grams. The design incorporates a -6.2cc valve relief, enhancing combustion chamber clearance and performance. Coated with phosphate and Grafal, these pistons are built for durability and resistance to wear, ensuring longevity in high-stress engine environments.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBore diameter: 4.030 inches for optimal cylinder fit and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eStroke: 3.4 inches to achieve 347 cubic inch engine displacement\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompression ratio: 10.4:1 for balanced power and fuel efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePiston weight: approximately 425 grams for smooth operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePin diameter: .927 inches, compatible with standard wrist pins\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eValve relief: -6.2cc to improve combustion chamber clearance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCoatings: Phosphate and Grafal for enhanced wear resistance and surface durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for Ford Small Block engines, ideal for performance rebuilds and upgrades\u003c\/li\u003e\u003c\/ul\u003e","brand":"Mahle","offers":[{"title":"Default Title","offer_id":46981986451655,"sku":"mhl930250330","price":826.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/7083ee9ccb19e2e8281799a806530fdc_81c9056e-773c-4b2f-982c-7ce0f25aede1.jpg?v=1786490018","url":"https:\/\/mainstreeteshop.com\/products\/mahle-ms-piston-set-for-ford-small-block-347ci-with-4-030-inch-bore-and-3-4-inch-stroke","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}