2025 Briggs & Stratton Racing Engines M-series

2025 Briggs & Stratton Racing Engines M-series

Building off of the proven success of the Animal engine, the M-series is the first dedicated racing engine engineered to meet the needs of the Quarter Midget market. Right out-of-the-box, the M-series is focused on the consistency, and simplicity that racers deserve. Each engine is hand-built and tested in our skunk-works in Milwaukee, Wisconsin with the craftsmanship and quality we stand behind.

Features may include:

• Beefy Rocker Arm Stud Nuts

• Automotive 3-Piece Valve Retainer System

• Nitrated Dished Exhaust Valve

• Chrome-Faced, Racing Only Ring Package

• Racing Crankshaft w/ Induction-Hardened Crankpin

• Dana™ Fire-Ring Head Gasket

• Walbro™ Round - Slide Carburetor

• Racing Only Intake Port

• Dual, High-Silicon Valve Springs

• Squeeze-Cast, T-7 Treated, Racing Rod

• Dual Ball-Bearing, RACING Reinforced Cylinder

• Fuel Filter

• Studded Exhaust Port

• Ground Cam w/ Compression Release

• PVL™ 6100 RPM Limited Digital Ignition

• Factory Controlled Piston Pop-up

• Custom Control Plate to better fit today's cars

• Splined Crankshaft

• Federal Mogul™ Moly-Coated Cam Ground, Barrel-Faced Piston