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COMP Cams Pro Magnum Hydraulic Roller Lifters
Lifter; Pro Magnum: Retro-Fit Hydraulic Roller Lifter; Mopar Big Block 383-440 cid; Early Model Blocks Origina
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Estimated Ship Date: Dec 30, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
8921-2
Part Type:
Product Line:
Summit Racing Part Number:
CCA-8921-2
Item Number:
1073314
UPC:
036584124894
Lifter Style:
Hydraulic roller
Lifter Link Bars Included:
Yes
Lifter Outside Diameter (in.):
0.904 in.
Lifter Offset:
None
Link Bar Type:
Vertical
Lifter Seat Height (in.):
2.300 in.
Quantity:
Sold as a pair.
COMP Cams Pro Magnum Hydraulic Roller Lifters
COMP Cams Pro Magnum hydraulic roller lifters are specifically designed to perform at higher engine speeds. When engines are equipped with a hydraulic roller camshaft, high rpm is limited by the improper positioning of the internal piston, as the lifter inevitably "pumps up." This improper location results in broken valves and, therefore, leads to lost power or sometimes even engine failure. These lifters offer a distinct advantage over standard high performance hydraulic lifters, especially in race applications where a hydraulic lifter must be used.
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