401/425 correct for 2x4 setup!
1370315 LH 64-65 2x4 ~ closed circuit valve cover
1366222 RH 64-66 2x4 valve cover
$425 SHIPPED to any lower 48!
(also posted on V8 Buick site.)
PayPal preferred as FAMILY AND FRIENDS!
Get in line here FIRST then PM me your intent to pay.
Wheelz, Tampa Bay