Lil' Red Barn Toggle Search Account Checkout Cart Home Parts & Tools Electrical Filters Fuel System Parts Tractor Parts 4-Stroke Engines Chainsaws Hedge Trimmers Leaf Blowers Safety Apparel Tools and Testers Service Manuals Briggs and Stratton Canadian Dolmar Echo Homelite Husqvarna Jonsered Kohler Makita McCulloch Onan Partner Pioneer Poulan Information Chain Reference Chart Chainsaw Chain Info - Maintenance & Safety Manual Testing Information and Diagrams for 2-Cycle Engines Watch How To Videos Contact Us Account Search site Submit search Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Parts & Tools > Chainsaws > Stihl > Stihl 025 > POP UP PISTON FITS STIHL MS250, 025, 42.5MM KIT ETRA POWER & COMPRESSION, NEW Alternative Views: Our Price: $34.95 Product Code: CG-22 Qty: Description STIHL MS250, 025 REPLACEMENT PISTON 42.5MM, REPLACES PART # 1131 030 2011, NOTE: EARLY STIHL 025 SAWS USED A 42MM BORE, PLEASE VERIFY 025 PISTON BEFORE ORDERING, ALL MS250 SAWS USE A 42.5MM PISTON AND THIS POP UP WILL BE THE CORRECT PISTON FOR YOUR SAW., BE SURE TO CHECK OUT MY EBAY STORE FOR OTHER PARTS AND ACCESSORIESTHIS HIGH QUALITY MADE PISTON KIT WILL GIVE YOUR SAW EXTRA COMPRESSION AND GIVES YOU EXTRA POWER, DESIGNED BY A CHAINSAW ENGINE BUILDERNOTE: THIS PISTON KIT IS NOTE MADE IN CHINA OR TAIWAN, THIS PISTON HAS MORE POP UP HEIGHT THEN THE CHEAP TAIWAN MADE PISTONS YOU SEE HERE ON EBAY WHICH MEANS MORE COMPRESSION AND MORE POWERTHIS KIT SHIPS FROM USA WITH A TRACKING NUMBER Related Products... STIHL REPLACEMENT IGNITION COIL 0000-400-1306 STIHL REPLACEMENT SHORTBLOCK, ASSEMBLED IN THE USA SPROCKET, 6 TOOTH 3/8" PITCH, IN STOCK CRANKSHAFT BEARINGS AND SEALS, REPLACES PART # 9503-003-0340 AND 9638-003-1581 Our Price: $22.95 Add Our Price: $119.95 Add Our Price: $19.95 Add Our Price: $24.95 Add STIHL 029 AV BUFFER MOUNT Stihl 025 Carburetor STIHL OILER GEAR. REPLACES PART #1123-640-7105 POP UP PISTON PISTON KIT FITS STIHL MS250, 025, 42.5MM KIT PART # 1123 030 2011 Our Price: $5.75 Add Our Price: $39.95 Add Our Price: $7.95 Add Our Price: $34.95 Add Share your knowledge of this product with other customers... Be the first to write a review 14" BAR & CHAIN 3/8" .043" GAUGE 50DL FITS STIHL MS151 MS171 MS181 MS211 017 018 $34.95 ETHONAL GASOLINE TESTER $8.95 Replacement clutch shoes Homelite 69461 part # $19.95 1/4" PITCH 14" BAR & CHAIN COMBO FITS STIHL 009 010 011 012 015 020AV CHAINSAWS $39.95 CYLINDER JUG BASE GASKET FITS STIHL 028 026 031 030 030 024 MS260 1118-029-2306 $7.95 STIHL REPLACEMENT SPROCKET BEARING, NEW $7.99 12" REPLACEMENT BAR & CHAIN , 3/8" LP $29.95 HUSQVARNA, JONSERED IGNITION COIL, REPLACES PART # 573935701 $29.95 SPROCKET 3/8" PITCH, 6 TOOTH DRIVE $19.95