{"product_id":"306521-ts-12","title":"Atomic SOHC 11mm Anti Pump-Up Hydraulic Lifters","description":"\u003cp data-start=\"366\" data-end=\"663\" class=\"\"\u003eHigh RPM and hydraulic lifters don’t always play well together — especially when valve float or lifter pump-up starts stealing your performance. That’s why we developed the 11mm OD  \u003cstrong data-start=\"558\" data-end=\"599\"\u003eAtomic Anti Pump-Up Hydraulic Lifters\u003c\/strong\u003e, designed specifically for the \u003cstrong data-start=\"631\" data-end=\"662\"\u003eFord SOHC 6-cylinder engine\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"665\" data-end=\"1008\" class=\"\"\u003eBuilt with tight internal tolerances and a reduced internal cavity, these lifters are engineered to \u003cstrong data-start=\"765\" data-end=\"820\"\u003eminimize oil bleed-down and lifter rise at high RPM\u003c\/strong\u003e, allowing for more stable valve operation and better camshaft tracking. Perfect for naturally aspirated or turbocharged SOHC builds, especially those with aggressive cams or high-RPM use.\u003c\/p\u003e\n\u003chr data-start=\"1010\" data-end=\"1013\" class=\"\"\u003e\n\u003ch3 data-start=\"1015\" data-end=\"1040\" class=\"\"\u003e✅ \u003cstrong data-start=\"1021\" data-end=\"1038\"\u003eKey Features:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"1041\" data-end=\"1444\" class=\"\"\u003e✅ Suits Ford SOHC 6-cylinder engines\u003cbr data-start=\"1077\" data-end=\"1080\"\u003e✅ \u003cstrong data-start=\"1082\" data-end=\"1105\"\u003e11mm outer diameter\u003c\/strong\u003e – direct drop-in replacement\u003cbr data-start=\"1134\" data-end=\"1137\"\u003e✅ Anti pump-up design – \u003cstrong data-start=\"1161\" data-end=\"1196\"\u003ereduces valve float at high RPM\u003c\/strong\u003e\u003cbr data-start=\"1196\" data-end=\"1199\"\u003e✅ Ideal for street, performance, and mild race applications\u003cbr data-start=\"1258\" data-end=\"1261\"\u003e✅ Improves valvetrain stability and camshaft control\u003cbr data-start=\"1313\" data-end=\"1316\"\u003e✅ Helps maintain consistent lash and lift across RPM range\u003cbr data-start=\"1374\" data-end=\"1377\"\u003e✅ Recommended \u003cstrong data-start=\"1391\" data-end=\"1426\"\u003emaximum preload: 0.8mm (0.030\")\u003c\/strong\u003e for street builds\u003c\/p\u003e\n\u003chr data-start=\"1446\" data-end=\"1449\" class=\"\"\u003e\n\u003ch3 data-start=\"1451\" data-end=\"1494\" class=\"\"\u003e🛠️ \u003cstrong data-start=\"1459\" data-end=\"1492\"\u003eWhy Use Anti Pump-Up Lifters?\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"1495\" data-end=\"1809\" class=\"\"\u003e✔️ Prevents lifters from over-extending and interfering with valve operation\u003cbr data-start=\"1571\" data-end=\"1574\"\u003e✔️ Allows the camshaft to operate as designed at higher RPM\u003cbr data-start=\"1633\" data-end=\"1636\"\u003e✔️ Critical for engines with stiffer valve springs or aggressive cam profiles\u003cbr data-start=\"1713\" data-end=\"1716\"\u003e✔️ Increases top-end reliability and performance\u003cbr data-start=\"1764\" data-end=\"1767\"\u003e✔️ Drop-in install – no machining required\u003c\/p\u003e\n\u003chr data-start=\"1811\" data-end=\"1814\" class=\"\"\u003e\n\u003ch3 data-start=\"1816\" data-end=\"1845\" class=\"\"\u003e📦 \u003cstrong data-start=\"1823\" data-end=\"1843\"\u003eWhat’s Included:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1846\" data-end=\"1979\"\u003e\n\u003cli data-start=\"1846\" data-end=\"1915\" class=\"\"\u003e\n\u003cp data-start=\"1848\" data-end=\"1915\" class=\"\"\u003eSet of precision-ground \u003cstrong data-start=\"1872\" data-end=\"1913\"\u003eAtomic Anti Pump-Up Hydraulic Lifters\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1916\" data-end=\"1979\" class=\"\"\u003e\n\u003cp data-start=\"1918\" data-end=\"1979\" class=\"\"\u003eReady to install – ideal for performance rebuilds or upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atomic Performance Products","offers":[{"title":"Default Title","offer_id":59052859621457,"sku":null,"price":380.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2115\/6365\/files\/Atomic_Anti_Pump-Up_Hydraulic_Lifters_Ford_SOHC_6-Cyl_11mm_OD.jpg?v=1779068364","url":"https:\/\/longboostperformance.com\/products\/306521-ts-12","provider":"LongBoost Performance Parts","version":"1.0","type":"link"}