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Briggs Junior 206 Engine (JR206)

Hand-built in Milwaukee, WI. using tooling and dies specifically for racing for unparalleled repeatability.

Factory sealed short-block with ground cam and controlled piston pop-up (reducing compression variance)

Simplified IKF/WKA rule set designed to maintain a stock configuration right down to the factory shipped carburetor jets. This is NOT today’s standard Animal rule set.

General Specifications:
 
Model 124432 8202-01 
Bore 2.6875/2.6885 in. 
Stroke 2.2 in. 
Compression Ratio 9 to 1 
Factory Timing 29 degrees BTDC

Features:

-Dual Ball-Bearing, RACING Reinforced Cylinder 
-Squeeze-Cast, T-7 Treated, Racing Rod 
-Ground Cam w/ Compression Release 
-High-Silicon Valve Springs 
-PVL™ Digital Ignition System - 4100 RPM Limiter
-Racing Only Intake Port 
-Walbro™ Round - Slide Carburetor 
-Extended Carburetor slide to control power (555728)
-Locking Carburetor Cap system 
-Racing Crankshaft w/ Induction-Hardened Crankpin 
-Federal Mogul™ Cam Ground, Barrel-Faced Piston 
-Goetze performance piston ring set 
-Nitrited Dished Exhaust Valve 
-Automotive 3-Piece Valve Retainer System 
-Beefy Rocker Arm Stud Nuts 
-Green™ Air Filter 
-Max-Torque clutch and fastener set