Bottom End

More mid-range and high-end power for street/strip with smooth idle; best cam for 74/80 inchers and small strokersSpring spacing required, and clearance at main bearing boss must be checked.

More mid-range and high-end power for street/strip with smooth idle; best cam for 74/80 inchers and small strokersSpring spacing required, and clearance at main bearing boss must be checked.

More mid-range and high-end power for street/strip with smooth idle; best cam for 74/80 inchers and small strokersSpring spacing required, and clearance at main bearing boss must be checked.

Designed with a combination of shorter durations and higher lifts to offer the advantages of a broad torque output through the entire rpm rangeDesigned for hydraulics, but could be run with solidsGrind #1 is the low-compression version of an "A" grind...

These hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve floatMade in the U.S.A.

These hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve floatMade in the U.S.A.

These hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve floatMade in the U.S.A.

Cam bolts into 66-84 (except 80-81) Big Twin engines with no head work; on 80-81 engines the height of the stock H-D valve guides restricts spring travel (and cam lift) to .430" or lessSpring travel and clearance, plus clearance at main bearing boss must...

Cam bolts into 66-84 (except 80-81) Big Twin engines with no head work; on 80-81 engines the height of the stock H-D valve guides restricts spring travel (and cam lift) to .430" or lessSpring travel and clearance, plus clearance at main bearing boss must...

Cam bolts into 66-84 (except 80-81) Big Twin engines with no head work; on 80-81 engines the height of the stock H-D valve guides restricts spring travel (and cam lift) to .430" or lessSpring travel and clearance, plus clearance at main bearing boss must...

Designed with a combination of shorter durations and higher lifts to offer the advantages of a broad torque output through the entire rpm rangeDesigned for hydraulics, but could be run with solidsGrind #1 is the low-compression version of an "A" grind...

High-quality heat-treated gearsMade in the U.S.A.