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FA20 - PLATINUM SERIES LIGHTWEIGHT PISTONS - learn more about our pistons

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. All pistons come with moly coated skirts and will accommodate +1mm valve sizes. Round wire locks, premium chrome moly wrist pins (P/N 42251), premium steel top ring, Napier style second ring and higher tension oil ring sets from Total Seal are included with every kit at no additional charge. 9310 alloy .210" wall upgraded wrist pins (P/N 42551) are available. Recommended clearance: .003" for mildly boosted and .0035" for highly boosted measured .850" from the bottom of the oil ring groove.

Part # Bore Size (mm) Over Size Rod Length Stroke Comp. Distance Dome Volume (cc) Comp. Ratio Piston Type Piston Wt / Gms Included Ring Set
  Toyota Scion FR-S 2013-Up - .866"/22mm x 2.250" Pin x .150" Wall
632600CA-1* 86.00 STD 5.090" 86 1.285" -11.4 10.0 Dish TBA 46861-4
632600CB-1* 86.00 STD 5.090" 86 1.285" -11.4 10.0 Dish TBA 46861-4
632601C-4 86.10 +.1mm 5.090" 86 1.285" -11.4 10.0 Dish TBA 46861-4
*These pistons feature skirt diameters that correspond to the OEM Grade A or B bores resulting in a piston to wall clearance range of .0023" - .0031". Check the bore grades on the top of your block and order the appropriate quantities of Grade A or B pistons. (Sold as -1 individual pieces, not sets.)
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