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Old 12-28-2025, 04:49 PM
biz421 biz421 is offline
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Default 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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  #2  
Old 12-28-2025, 05:00 PM
mysticmissle's Avatar
mysticmissle mysticmissle is offline
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I will take them pm payment info please

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  #3  
Old 12-28-2025, 07:07 PM
biz421 biz421 is offline
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