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Thanks to Jason Jenson for his Black Mamba Lifters User Experience
His Step Daddy dragster has been running Black Mamba lifters for several years.
'Every time we pull the engines down they look brand new'
'Amazing - the rollers don't even show banding, which is fairly typical'
'Check the lash 2-3 times per year and it never moves'
'The lifters have 350-400 runs on them during two seasons'
'I feel like they could run another 400 without issue'
Dec 2025 - Black Mamba User Experience - Jason Jensen
Morel Lifters are proud to have played a small part in this success story.

Congratulations to Kyle Larson and Hendrick Motorsports
Kyle Larson wins the 2025 NASCAR Cup Series Championship at Phoenix.
This was Larson's 2nd Cup Series Championship. His first was in 2021.
Larson had 3 NASCAR Cup Series victories in 2025.
Larson has had 32 career Cup Series victories.
Hendrick Motorsports is the winningest team in NASCAR Cup Series History
with 321 NASCAR Cup Series Victories.
This was the Hendrick Team's record-extending 15th Cup Series Championship.
Morel Lifters are proud to have played a small part in this victory

John Callies presented Lifetime Achievement Award
at Engine Performance Expo 2023
View John Callies' Lifetime Achievement Award
View John Callies' Crankshaft Presentation
View John Callies' Black Mamba Presentation

Blast from the Past - EP Expo 2021 - Fiero Indy Pace Car
View John Callies' Pontiac Fiero 1984 Indy 500 Pace Car War Story