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... 16" OREGON PROLITE BAR AND CHAIN COMBO .325" PITCH 62DL STIHL AIR FILTER AND ADAPTER, REPLACES PART # 1123-120-1612 STIHL TOP CYLINDER COVER, REPLACES PART #1123-790-1003 16" REPLACEMENT BAR & CHAIN COMBO .325 Our Price: $59.95 Add Our Price: $9.95 Add Our Price: $29.95 Add Our Price: $34.95 Add STIHL OILER GEAR. REPLACES PART #1123-640-7105 STIHL CHAINSAW REPLACEMENT CARBURETOR NEW IN STOCK STIHL CRANKSHAFT SEALS REPLACES STIHL # 9638-003-1581 STIHL 029 AV BUFFER MOUNT Our Price: $7.95 Add Our Price: $34.95 Add Our Price: $9.99 Add Our Price: $5.75 Add Share your knowledge of this product with other customers... Be the first to write a review HOMELITE 69451 DUCK BILL CHECK VALVE $4.99 CARBURETOR REBUILD KIT FIT BRIGGS 7 & 8 HP L HEA D PART # 291763 295938 394693 $19.95 24" REPLACEMENT PRO CHAIN, .058" 3/8" $26.95 HUSQVARNA PISTON KIT, REPLACES 503531172, 48mm NEW $29.95 POP UP PISTON PISTON KIT FITS STIHL MS250, 025, 42.5MM KIT PART # 1123 030 2011 $34.95 PISTON KIT FITS PIONEER P50 P50S P51 52.38MM CYLINDER & EXHAUST GASKETS USA SHIP $49.95 Husqvarna 246 Piston Assembly 44mm $29.95 REPLACEMENT GAS LINE & FUEL FILTER FOR STIHL CHAIN SAWS $11.95 Stihl 017 Piston and Cylinder Kit $49.95