{"title":"Polarstar F2 Engine","description":"\u003cp\u003eAll Polarstar F2 Parts and accessories\u003c\/p\u003e","products":[{"product_id":"jack-f2-bv309a-bullet-valve","title":"JACK \/ F2 BV309A Bullet Valve","description":"\u003cp\u003e\u003cspan\u003eThe BV309A Bullet Valve is the solenoid used in all current production F2 and JACK HPA systems and it is backwards compatible with all F2 and JACK systems previously made.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePower lead is included with the valve and also available separately.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e(Power Lead part # 10000479)\u003c\/span\u003e\u003c\/p\u003e","brand":"Polarstar Airsoft","offers":[{"title":"Default Title","offer_id":52275590594896,"sku":"10000363","price":76.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1839\/9805\/files\/10000363_1944x_b7942ae5-a90e-4f32-963a-427ae2b5733a.jpg?v=1761820331"},{"product_id":"f2-standard-poppet-gold","title":"F2 Standard Poppet, Gold","description":"\u003cp\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThe F2™ poppet valve is available in two levels, Red and Gold. The Red valve is the standard valve that comes in the F2 and provides the maximum amount of air flow through this system. This makes it well suited for builds operating at field velocity limits.\u003cbr\u003e\u003cbr\u003eThe optional Gold valve expands the capabilities of the system even further by making it more flexible and adaptable when tuning for different rifle configurations. Replacing the Standard Red poppet in your F2™ with the Low Flow Gold poppet will shift the rifle's velocity adjustment window down allowing the system to operate at a higher pressure while retaining a lower velocity.\u003cbr\u003e\u003cbr\u003eThis low flow poppet is beneficial in situations where a longer barreled rifle needs to achieve a lower velocity than can be reached within the normal operating pressure range of the F2™. It also allows you to run a higher pressure to maintain reliable feeding with the standard heavy spring and heavy BB's without going over the velocity limit.\u003cbr\u003e\u003cbr\u003eWe have provided a comparison chart to show the output of the two different F2™ poppets over a range of pressures and BB weights using a 6.05x380mm barrel as a testing benchmark.\u003cbr\u003e\u003cbr\u003e\u003cem\u003eO-Rings\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e1x\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e010 (Buna 70) - Front Poppet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e1x\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eM1.5 x 6.0 (Buna 70) - Rear Poppet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cem\u003e \u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/7466\/4301\/files\/F2_Poppet_Specs_White_Plain.jpg?v=1570029358\" alt=\"\"\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Polarstar Airsoft","offers":[{"title":"Default Title","offer_id":52275590758736,"sku":"10000361","price":19.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1839\/9805\/files\/10000361_1944x_33a88599-d6f5-4f05-af35-cb401d0e8a23.jpg?v=1761820333"},{"product_id":"f2-standard-poppet-red","title":"F2 Standard Poppet, Red","description":"\u003cp\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThe F2™ poppet valve is available in two levels, Red and Gold. The Red valve is the standard valve that comes in the F2 and provides the maximum amount of air flow through this system. This makes it well suited for builds operating at field velocity limits.\u003cbr\u003e\u003cbr\u003eThe optional Gold valve expands the capabilities of the system even further by making it more flexible and adaptable when tuning for different rifle configurations. Replacing the Standard Red poppet in your F2™ with the Low Flow Gold poppet will shift the rifle's velocity adjustment window down allowing the system to operate at a higher pressure while retaining a lower velocity.\u003cbr\u003e\u003cbr\u003eThis low flow poppet is beneficial in situations where a longer barreled rifle needs to achieve a lower velocity than can be reached within the normal operating pressure range of the F2™. It also allows you to run a higher pressure to maintain reliable feeding with the standard heavy spring and heavy BB's without going over the velocity limit.\u003cbr\u003e\u003cbr\u003eWe have provided a comparison chart to show the output of the two different F2™ poppets over a range of pressures and BB weights using a 6.05x380mm barrel as a testing benchmark.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cem\u003eO-Rings\u003cbr\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e1x\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e010 (Buna 70) - Front Poppet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e1x\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eM1.5 x 6.0 (Buna 70) - Rear Poppet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cem\u003e \u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/7466\/4301\/files\/F2_Poppet_Specs_White_Plain.jpg?v=1570029358\" alt=\"\"\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Polarstar Airsoft","offers":[{"title":"Default Title","offer_id":52275590791504,"sku":"10000289","price":19.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1839\/9805\/files\/10000289_1944x_8a936c82-5e41-4ed8-a1b6-43f2c62c0662.jpg?v=1761820334"},{"product_id":"bullet-valve-lead-for-214-and-309-solenoids","title":"Bullet Valve Lead for 214 and 309 solenoids","description":"Okay, we've all done it. You just finish putting together the gearbox and can't quite figure out what is preventing the shell from closing all of the way. Yep, you just pinched your power leads. Never fear though! Replacements are available!\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eStandard 4.5\" power leads used with the bullet valves used with electro-pneumatic systems such as the F2, F1 and JACK.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Polarstar Airsoft","offers":[{"title":"Default Title","offer_id":52275599868240,"sku":"10000479","price":9.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1839\/9805\/files\/10000479.jpg?v=1761820371"},{"product_id":"complete-o-ring-set-f2","title":"Complete O-Ring Set, F2","description":"\u003cp\u003eComplete o-ring set for Centerline version of the F2 (does not include offset versions).\u003c\/p\u003e\n\u003cp\u003e1x M1.5 x 10.0 (Buna 70) - Outside of Nozzle\u003cbr\u003e 1x M1.0 x 5.5 (Buna 70) - Inside of Nozzle\u003cbr\u003e 1x M1.5 x 7.5 (Buna 70) - Inside Front Cylinder\u003cbr\u003e 1x M1.0 x 2.5 (Buna 70) - Inside Rear Cylinder\u003cbr\u003e 1x M2.0 x 9.0 (Buna 70) - Inside Sleeve\u003cbr\u003e 2x M1.0 x 19.0 (Buna 70) - Outside Sleeve\u003cbr\u003e 1x 010 (Buna 70) - Front Poppet\u003cbr\u003e 1x M1.5 x 6.0 (Buna 70) - Rear Poppet\u003cbr\u003e 1x M1.0 x 4.5 (Buna 70) - Barb Fitting\u003c\/p\u003e","brand":"Polarstar Airsoft","offers":[{"title":"Default Title","offer_id":52275600458064,"sku":"10000419","price":3.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1839\/9805\/files\/F2_O-ring_Kit.jpg?v=1761820381"},{"product_id":"f2-offset-cylinder-conversion","title":"F2™ Offset Cylinder Conversion","description":"This kit includes the F2™ Offset Front Cylinder, Offset Nozzle Base and Support Pin needed to convert a Center-line version F2™ to the Offset version. The kit does not include the rifle specific nozzle tip. These can be purchased in the \u003ca href=\"https:\/\/polarstarairsoft.com\/collections\/nozzles\/products\/f2-offset-nozzles\" title=\"Nozzles\"\u003eNozzles \u003c\/a\u003esection.","brand":"Polarstar Airsoft","offers":[{"title":"Default Title","offer_id":52275600818512,"sku":"10000193","price":81.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1839\/9805\/files\/F2_Offset_Cylinder_Conversion.jpg?v=1761820387"},{"product_id":"techt-gun-sav-grease-1","title":"TechT Gun Sav Grease","description":"\u003cspan id=\"ctl00_MainArea_rptPageContent_ctl00_lblText\" data-mce-fragment=\"1\"\u003eTechT Gun Sav Grease has been used exclusively by PolarStar for over a decade and is the grease we recommend to lubricate all of our HPA engines and regulators. This grease has outperformed all others we have tried under every condition. You can't beat it. \u003cbr data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e Lubricating with a high performance grease is vital to the performance of your HPA system. Gun Sav is the SLICKEST, most high performance, broad spectrum paintball grease on the market. Most grease that is designed for airsoft guns is for lubricating gears so the grease is very thick. This will actually slow down the movement of internal components making your system perform sluggishly which can lead to malfunctions. Grease such as that is not designed for HPA applications and can get thick in cold weather, gummy in hot weather, and pasty in dry conditions. All of which rob you of performance. TechT Gun Sav was designed to stand up to every playing condition. It will not thicken, gum, paste, or thin.\u003cbr data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e One tub of TechT Gun Sav will last you years even with all season play since it sticks to surfaces so well that one should really only need to lubricate their system every 30,000 - 50,000 shots. \u003cbr data-mce-fragment=\"1\"\u003e \u003c\/span\u003e","brand":"Polarstar Airsoft","offers":[{"title":"Default Title","offer_id":52275603112272,"sku":"10000321","price":12.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1839\/9805\/files\/10000321.jpg?v=1761820402"},{"product_id":"gearbox-shim-kit","title":"Gearbox Shim Set for Cylinder Conversion Kits","description":"\u003cp\u003eThese sets of precision shims are used to secure an HPA cylinder within the gearbox shell to prevent unwanted movement. Since the pins in a gearbox shell can vary in size depending on the manufacturer, we have to make the matching holes in our cylinder conversion kits large enough to accommodate the largest diameter pins. This can sometimes allow the cylinder to shift backwards or forwards in gearboxes with smaller diameter pins if the shell does not clamp onto the cylinder firmly enough to secure it. \u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/7466\/4301\/files\/Cylinder_Shim_Set_2.jpg?v=1603403161\" alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/7466\/4301\/files\/Cylinder_Shim_Set_2.jpg?v=1603403161\"\u003e\u003cbr\u003e\u003cbr\u003eIf the cylinder is able to move during operation then it can change how far the nozzle extends from the front of the gearbox. This can result in inconsistent BB seating and air seal which can diminish performance. \u003cbr data-mce-fragment=\"1\"\u003e \u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/7466\/4301\/files\/Cylinder_Shim_Set_3.jpg?v=1603403179\" alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/7466\/4301\/files\/Cylinder_Shim_Set_3.jpg?v=1603403179\"\u003e\u003cbr\u003e\u003cbr data-mce-fragment=\"1\"\u003e The shims are available in different sizes to match the most common gearbox pin sizes and are compatible with all PolarStar cylinder conversions kits (F2, F1, JACK, Kythera). \u003cbr data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e Below are the brands best suited for the following shim sizes based on our database of recorded measurements. \u003cbr data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cstrong\u003e0.157\"\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e VFC\u003cbr data-mce-fragment=\"1\"\u003e Marui\u003cbr\u003eE\u0026amp;L\u003cbr\u003eJG\u003cbr data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cstrong\u003e0.152\"\u003c\/strong\u003e \u003cbr data-mce-fragment=\"1\"\u003e Ares\u003cbr data-mce-fragment=\"1\"\u003e CYMA\u003cbr\u003eG\u0026amp;G\u003cbr data-mce-fragment=\"1\"\u003e ICS\u003cbr\u003eDytac\u003cbr\u003e\u003c\/p\u003e","brand":"Polarstar Airsoft","offers":[{"title":"0.157\"","offer_id":52275604717904,"sku":"10001162","price":7.8,"currency_code":"EUR","in_stock":false},{"title":"0.152\"","offer_id":52275604750672,"sku":"10001161","price":7.8,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1839\/9805\/files\/CylinderShimSet.jpg?v=1761820416"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1839\/9805\/collections\/a2_8c8de7e3-9507-4a54-a01a-88055f799205.png?v=1761840165","url":"https:\/\/monkcustoms.nl\/collections\/polarstar-f2-engine.oembed","provider":"Monk Customs","version":"1.0","type":"link"}