Upgrade your Mopar 440 Big Block bottom end with the Speedmaster PCE289.1019 Billet Steel Main Caps. Designed as direct OEM replacements, this complete set of five 2-bolt main caps delivers superior strength and rigidity over factory cast units, helping to maintain critical bearing alignment and crankshaft stability under demanding performance conditions.
Engineered specifically for Chrysler 440 Big Block applications, these billet steel caps are a straightforward drop-in upgrade for builders seeking added reliability during engine rebuilds or high-performance street and strip builds. If you require stronger main cap retention than the factory pieces provide, the Speedmaster PCE289.1019 set is a smart, cost-effective solution.
MPNPCE289.1019
UPC840136533771
