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  1. Personal For Sale & Wanted
    Hello everyone! I have MAHLE Motorsport piston and ring set WRX209917I10 for sale. SPECIFICATIONS: Bore (in): 3.917 in. Bore (mm): 99.500mm Piston Style: Dish, with four valve reliefs Piston Material: Forged aluminum Compression Height (in): 1.209 in. Piston Head Volume (cc): +10.00cc Wrist...
  2. Engine Performance
    EJ20 Honing - What Grit? I'm planning to hone my EJ20g block for v5 207 forged pistons and new rings. There are also some light scratches I'd like to see disappear as well, nothing major. What grit should I use for the initial hone and for a final hone to achieve the proper arithmetic average...
1-2 of 3 Results