- The same Powerglide advantage (oil-fed axle, billet steel body, precision fit hydraulics), but now incorporates a Steady Roll bronze bushing in place of the needle bearing roller
- These tappets have undergone extensive development to increase load, lubrication, hydraulic and life capacities
- Billet body
- Increased roller width
- Roller perpendicularity held to .0002"
- Hand-honed hydraulic unit cavity
- Dynamic load capacities increased over 30%
- Lubrication capacities for hydraulic unit and valve train (top end) increased 10%
- Lubrication capacities for the roller, cams and cam bearings have increased 100% for increased cooling
- Made in the U.S.A.