Note: Helicoil in chamber

Note: Crack

Std size camber

Hemi Cut chamber 51cc

Std chamber verses Hemi cut chamber

Machining step in valve guide (Limbach .pdf on guide mod)

Bore I.D. 98.5mm (3.880") x 11.90mm (.470") (fins needs to be machined to about depth of .470")

Machining for Cylinder Head Temp Probe