The Morel BBC Roller Lifter Set .903 Dia. +.300 O/C is a Black Mamba Series solid roller lifter set, Morel's premium race line for high spring pressure and sustained high-RPM use. Designed for Big Block Chevy applications.
Specifications:
- Lifter type: Mechanical Roller
- Series: Black Mamba Series
- 0.903 in OD
- Link Bar
- Engine application: Big Block Chevy
- Roller wheel diameter: 0.810 in
- Tie bar orientation: Vertical
- Morel grade: Professional racing
- Quantity: Set of 16
- Part number: 6663
FAQ
What engine does the Morel 6663 fit?
It is designed for Big Block Chevy applications. It is a universal, engine-platform lifter set; confirm it matches your block, camshaft and valvetrain before ordering.
Is this a hydraulic or solid roller lifter?
These are mechanical (solid) roller lifters, which are set with valve lash and suit higher spring pressures and RPM.
How many lifters are included?
This listing is sold as: Set of 16.
Is this a genuine Morel part?
Yes. This is a genuine Morel Lifters product. Confirm fitment for your engine combination before ordering.

