
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Hydraulic Roller Tappet Lifters
- Non-MDS Hemi Conversion Kit
- 5.7L Hemi
- (2) Non-MDS Tappets #312-53021720AE
- (4) Non-MDS Plugs #312-53032221AA
This kit includes the parts needed to eliminate the Multiple Displacement System (MDS) on 5.7L Hemi engines. Ideal for use on 5.7L engine conversions in street rods and muscle cars that don't use OE ECU and MDS. Includes (4) Plugs 312-53032221AA that are installed in the valley of the block (instead of the MDS oil control valves) and 2 Tappet Retainers 312-53021720AE with 8 non-MDS tappets (install these on the tappets that were previously controlled by the MDS valves).
BrandMOPAR PERFORMANCE
Part CategoryPerformance Parts
Vendor Part Number53021720AEK
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations