{"product_id":"speedfactory-mid-high-compression-cast-b-series-pistons","title":"SpeedFactory Racing B20 Type R Race Spec High Compression Piston Kit","description":"\u003cp class=\"MsoNormal\"\u003eUpgrade your all motor engine build with the SpeedFactory Racing B20 Type R Race Spec High Compression Piston Kit, engineered to deliver superior performance and reliability for your high compression all motor build.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThese pistons utilize AC9B hypereutectic aluminum alloy for greater strength plus scuff and seizure resistance with improved groove wear and durability. The top land has been enlarged for more strength and resistance to breakage. They also allow tighter piston-to-wall clearances for reduced piston rocking resulting in better ring seal and more power all while being lightweight.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eCompatible with OEM rods as well as aftermarket forged rods and include Moly skirt coating that helps minimize friction preventing scuffing and wear, providing increased piston life \u0026amp; efficiency.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSFR B20 Type R Race Spec High Comp Piston Kit – \u003c\/b\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003eIncludes x4 pistons, wrist pins, premium ring sets, and wrist pin clips\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eAvailable Bore Sizes: \u003cbr\u003e\u003c\/b\u003e84.0mm (308g), 84.5mm, and 85.0mm\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003eFitments:\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003e\u003cbr\u003eB20B\/Z and sleeved 84+mm B16A, B18A\/B, B18C engines\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eApproximate Compression Ratios at 84.0mm Bore:\u003cbr\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Calibri',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eB16A Block and Head - 10.6:1\u003cbr\u003eB18C Block\/Crank\/Rods with PR3 Head - 10.3:1\u003cbr\u003eB18C Block\/Crank\/Rods with P72 Head - 10.6:1\u003cbr\u003eB18C Block, B18A\/B or B20B\/Z Crank\/Rods with PR3 Head - 11.6:1\u003cbr\u003eB18C Block, B18A\/B or B20B\/Z Crank\/Rods with P72 Head - 11.8:1\u003cbr\u003eB18A\/B or B20B\/Z Block and Head - 11.7:1 \u003cbr\u003eB18A\/B or B20B\/Z Block with PR3 Head - 12.3:1\u003cbr\u003eB18A\/B or B20B\/Z Block with P72 Head - 12.6:1\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003ci\u003eAdd 0.13 for each 0.50mm increase in bore size. Actual compression will vary with material removal during machining processes and head gasket thickness.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eFeatures:\u003cbr\u003e\u003c\/b\u003e- CNC machined crowns\u003cbr\u003e- Strong hypereutectic AC9B alloy - much stronger than OEM pistons\u003cbr\u003e- 21mm floating wristpins\u003cbr\u003e- Compatible with both OEM rods (do not use wrist pin clips) and aftermarket connecting rods (use wrist pin clips)\u003cbr\u003e- Highly resistant to heat\u003cbr\u003e- MoS2 skirt coating with measurement window \u003cbr\u003e- Premium 1.0*1.2*2.8 Gas Nitrided Performance Ring Set, ideal for high performance and longevity\u003cbr\u003e- Sets are weight matched to +\/- 1 gram\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Calibri',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eNote: Piston to wall clearance is calculated before the coating is applied. Use the bore diameter of the piston kit and install the pistons to this bore size. If using limited nitrous or boost, add .0005” wall clearance.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"SpeedFactory Racing","offers":[{"title":"84mm","offer_id":51101476061483,"sku":"SF-02-291","price":262.49,"currency_code":"USD","in_stock":false},{"title":"84.5mm","offer_id":51101476094251,"sku":"SF-02-292","price":262.49,"currency_code":"USD","in_stock":false},{"title":"85mm","offer_id":51101476127019,"sku":"SF-02-293","price":262.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0003\/9124\/9973\/files\/4d-1-04.jpg?v=1753992838","url":"https:\/\/ebtecautomotive.com\/products\/speedfactory-mid-high-compression-cast-b-series-pistons","provider":"EBTEC AUTO","version":"1.0","type":"link"}