{"product_id":"mahle-ms-piston-set-for-gm-lt1-429-cid-with-4-130-inch-bore-and-4-inch-stroke","title":"Mahle MS Piston Set for GM LT1 429 CID with 4.130-inch Bore and 4-inch Stroke","description":"\u003cp\u003eThe Mahle MS Piston Set designed for GM LT1 engines offers high-performance components tailored for demanding automotive applications. Crafted with a bore diameter of 4.130 inches and a stroke of 4 inches, these pistons are engineered to deliver optimal power and durability. The set includes pistons with a 6.125-inch connecting rod length and a wrist pin diameter of 0.927 inches, ensuring a precise fit and smooth operation. Featuring a compression ratio of approximately 12.4:1, these pistons are ideal for high-performance builds, providing enhanced combustion efficiency and power output. The pistons are coated with phosphate, Grafal, and a hard anodized top ring groove, which contribute to wear resistance, reduced friction, and improved heat dissipation, extending engine longevity.\u003c\/p\u003e\u003cp\u003eConstructed from high-quality materials, each piston weighs around 457 grams, ensuring balanced engine performance. The set is designed to meet the rigorous demands of high-performance engines, with specific features such as a -6.1cc valve relief volume that optimizes compression and combustion. These pistons are not carb-legal but require carb acknowledgment for installation, making them suitable for specialized automotive applications. The set complies with Prop 65 standards, ensuring environmental safety, and is packaged as a set of eight, suitable for a complete engine rebuild or performance upgrade. Precision engineered by Mahle, this piston set provides a reliable solution for enhancing your GM LT1 engine's power and efficiency, making it an excellent choice for enthusiasts and professional rebuilders alike.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBore Diameter: 4.130 inches for high-performance engine builds\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eStroke: 4 inches, optimized for power and efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConnecting Rod Length: 6.125 inches for balanced operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eWrist Pin Diameter: 0.927 inches for secure fitment\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompression Ratio: Approximately 12.4:1 for enhanced combustion\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCoatings: Phosphate, Grafal, and hard anodized top ring groove for wear resistance and heat dissipation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eWeight: 457 grams per piston for balanced engine performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eValve Relief: -6.1cc to optimize compression and combustion efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaterial: High-quality components engineered for durability and reliability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApplication: Designed specifically for GM LT1 engines, 429 cubic inches\u003c\/li\u003e\u003c\/ul\u003e","brand":"Mahle","offers":[{"title":"Default Title","offer_id":46982483050695,"sku":"mhl930173230","price":1080.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/fa6840b5f410f045776be3c4e8b17eaa.jpg?v=1786493886","url":"https:\/\/mainstreeteshop.com\/products\/mahle-ms-piston-set-for-gm-lt1-429-cid-with-4-130-inch-bore-and-4-inch-stroke","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}