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#1
12-28-2025, 04:49 PM
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4-Bolt Main Caps for 421
Selling set of used 4-bolt main caps for 3.25" crankshaft Pontiac
Likely from an earlier 421 as suggested by windage tray mount holes. This set includes 2-3-4-5 Caps (Cap 1 is not available/not included). Caps look to be in good condition, but there are "staking" marks on the #5 Cap oil seal grove (see photos). Bolts shown included. PM if you'd like additional photos. $175 shipped within US by economy ground. Location: Frisco, TX |
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