Shredder RPM+ Cylinder Head For GX200 and Clones

This is our standard 80CFM Shredder head with lapped valves and hand assembled with a high RPM valvetrain that will support up to 0.430" lift at the valve and 8500+ rpms.

The following hardware is assembled into this ready-to-run head:

28.5mm x 2.600" x 5.5mm stem stainless steel intake valve

24mm x 2.600" x 5.5mm stem stainless steel exhaust valve 

0.015" steel spring shims 

Red stripe dual springs installed at 0.947" for 35lbs of seat pressure.

Titanium retainers (weighs a touch less than 7071 aluminum but has more strength and much better fatigue resistance.)

Steel medium groove keepers

Lightweight lash caps

Steel pushrod guide plate

1.2:1 ratio 0.095" thick stamped steel rocker arms with studs, lash adjusters, and locking nuts. (308 cam gets to .369" lift, 315 gets to .378" lift)

Pair this head with a Dyno 315 cam and our 28mm carburetor kit for a 20hp capable engine.