{"product_id":"fps-piston-head-aoe-shims","title":"FPS Piston Head AOE Shims","description":"\u003cstrong\u003eThe FPS AOE Shim Set (SAOE1) is a lightweight, Italian‑made solution for achieving perfect Angle of Engagement on any AEG piston head.\u003c\/strong\u003e Designed for techs who want precise control over piston travel and impact timing, these shims allow you to fine‑tune AOE without adding unnecessary weight or compromising reliability.\u003cbr\u003e\u003cbr\u003eEach pack includes \u003cstrong\u003ethree 1 mm technopolymer shims\u003c\/strong\u003e, engineered to sit securely between the piston head and piston body. Correct AOE dramatically reduces stress on the first teeth of both the piston and sector gear, improving gearbox longevity and overall performance — especially in upgraded builds.\u003cbr\u003e\u003cbr\u003eMade with FPS’ signature precision and consistency, these shims are a simple but essential upgrade for any serious AEG tuning project.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eInner hole: \u003cstrong\u003e5 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOuter diameter: \u003cstrong\u003e18 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eThickness: \u003cstrong\u003e1 mm\u003c\/strong\u003e (each)\u003c\/li\u003e\n\u003cli\u003eQuantity: \u003cstrong\u003e3 shims per pack\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaterial: Lightweight technopolymer\u003c\/li\u003e\n\u003cli\u003eOrigin: \u003cstrong\u003e100% Made in Italy\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FPS Softair Italy","offers":[{"title":"Default Title","offer_id":58711964811595,"sku":"SAOE1","price":1.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1066\/3362\/5931\/files\/FPS-Piston-Head-AOE-Shims-SAOE1.jpg?v=1791200880","url":"https:\/\/outdoorzone.ie\/products\/fps-piston-head-aoe-shims","provider":"Outdoor Zone Ireland","version":"1.0","type":"link"}