Speed Pro Premium Piston Rings 4.120" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 709059 The Rugged M1 Professional Mobile 2 1 2 to M77MS829H30 1303LS1-3 Size:Youth 2X-Large

The Rugged M1 Professional Mobile Radio is built to endure offroad racing's harshest environments

Radio and Intercom not included

AFR has revived their popular 220cc powerhouse due to overwhelming request from customers for a larger bolt on standard valve location head

Performer High-Compression

engineered to perfection through relentless innovation

Speed Pro Premium Piston Rings 4.120" Bore 5 64 x 5 64 x 3 16" Thick Standard Tension Moly 709059 The Rugged M1 Professional Mobile 2 1 2 to M77MS829H30 1303LS1 3 Size:Youth 2X Large The Rugged M1 Professional Mobile Radio is built to endure offroad racing's harshest environments Radio and Intercom not included