{"product_id":"enginetech-r40058-030-engine-cast-iron-piston-ring-complete-set-for-4-inch-diameter-engines","title":"Enginetech R40058-030 Engine Cast Iron Piston Ring Complete Set for 4-Inch Diameter Engines","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe Enginetech R40058-030 Engine Cast Iron Piston Ring Complete Set is designed for reliable performance in engines with a 4-inch bore diameter. Crafted from durable cast iron, these piston rings are engineered to provide optimal sealing and wear resistance, ensuring your engine runs smoothly and efficiently. This complete set includes top compression rings, second compression rings, and oil rings, all manufactured to meet strict SAE guidelines for consistent end gaps and precise fitment. The top and second compression rings feature a thickness of 5\/64 inch, while the oil ring has a thickness of 3\/16 inch, providing balanced sealing and oil control for your engine's combustion process. Ideal for engine rebuilders and mechanics, this set offers a high-quality solution to restore engine performance and longevity. Enginetech has been family-owned and operated since 1982, committed to providing high-quality engine parts nationwide. Their parts are designed specifically for engine rebuilders, with a focus on quality, precision, and customer satisfaction. Whether you're working on import or domestic engines, this piston ring set is an essential component for achieving optimal engine compression and efficiency. Trust Enginetech's expertise and dedication to excellence to keep your engine running at peak performance for miles to come.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned for 4-inch bore diameter engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed from durable cast iron for wear resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eComplete set includes top, second compression, and oil rings\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConsistent end gaps following SAE guidelines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTop and second compression rings are 5\/64 inch thick\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOil ring thickness is 3\/16 inch\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEngineered specifically for engine rebuilders and mechanics\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePart of Enginetech's high-quality engine parts line\u003c\/li\u003e\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003eFeatures:\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\u003ctr\u003e\u003ctd\u003eTop Compression Ring Thickness: 5\/64 in\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eSecond Compression Ring Thickness: 5\/64 in\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOil Ring Thickness: 3\/16 in\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRing Outside Diameter: 4.000\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eAaiaid Part Number: BBPTR40058-030\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Number: R40058-030\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBrand Aaia: BBPT\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Enginetech","offers":[{"title":"Default Title","offer_id":47550398333077,"sku":"R40058-030","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/4266\/8181\/files\/R40058_1_57e4281e-14a4-4dc0-96f0-d006109d29fa.jpg?v=1783641710","url":"https:\/\/mizumoauto.com\/products\/enginetech-r40058-030-engine-cast-iron-piston-ring-complete-set-for-4-inch-diameter-engines","provider":"Mizumo Auto","version":"1.0","type":"link"}