Schoenfeld UDTRA Approved 11" Length Muffler - 100Db @ 100 Ft. - 3-1/2" Inlet, Outlet 359102 Pro series rocker arm studs

Pro series rocker arm studs are made from 8470 chromemoly steel and are heat-treated to 200/000 psi tensile strength

Engines with short runner intake valves (SRV) will require minor firewall clearance 6

Use with Spring No

Smooth idle

875 in ID Spring

Schoenfeld UDTRA Approved 11" Length Muffler - 100Db @ 100 Ft. - 3-1/2" Inlet, Outlet 359102 Pro series rocker arm studsUDTRA Sanction Approved Mufflers. 100 Decibels at 100 feet. Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including turn downs, extensions, tubing bends and elbows, race mufflers, insert mufflers, mandrel bends, exhaust reducers, header gaskets, and