The name says it all Endurance Series Roller Rockers where designed for high endurance racing engines including offshore powerboat race engines. Made of 7000 series aluminum free up valve traim weight. Lower profile desighn allows these rockers to clear stock valve covers and come with short polylocks. Endurance Roller Rockers cam easily handle a 0.950" lift and 950 lbs valve spring. There about 28 grams lighter than Scorpion Race rockers. Micro-polished and anodized.
Features- Mounting Style:
- Stud
- Ratio:
- 1.70
- Style:
- Full roller
- Stud Size:
- 7/16 in.
- Shims Included:
- No
- Material:
- Aluminum
- Self-Aligning:
- No
- Body Style:
- Standard
- Nut Style:
- Polylock
- Slot Width (in.):
- 0.600 in.
- Maximum Spring Diameter (in.):
- 1.625 in.
- Finish:
- Blue Anodized
- Fasteners Included:
- Yes
- Quantity:
- Sold as a set of 16.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Gen V
- Years:
- 1991-1995
- Engine Family:
- Chevy big block Gen VI
- Years:
- 1996-2000
- Engine Sizes:
- 7.4L/454
- Engine Family:
- Chevy big block Gen VII
- Engine Sizes:
- 8.1L/496
- Years:
- 2001-2007
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1965-1990