Combustion chamber volume 58cc
Intake runner volume 225cc
Exhaust runner volume 62cc
Intake valve diameter 2.15"
Exhaust valve diameter 1.60"
Valve stem diameter 11/32"
Valve guides Manganese bronze
Deck thickness 5/8"
Valve spring diameter 1.55"
Valve spring maximum lift .650"
Rocker stud N/A
Guideplate

N/A
Pushrod diameter 5/16"
Valve angle 16°
Exhaust port location Raised
Spark plug fitment 14mm x 3/4 reach, gasket seat
Made In USA

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time