Sealed Power SPE-4221M Engine Crankshaft Main Bearing Set

Sealed Power SPE-4221M Engine Crankshaft Main Bearing Set

Sealed Power Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Features:

• Steel-backed bronze alloy lining with overplate
• Popular for fatigue resistance & strength – provides conformability required for older applications
• State-of-the-art manufacturing
• Exacting tolerances
• Meets or exceeds OEM specifications

1966-1961 GM V8 421CI 6.9L Pontiac; 1969-1967 GM V8 428CI 7.0L Pontiac; 1976-1970 GM V8 455CI 7.5L Pontiac