Intake is very clean with all good threads. GM part # 25500170.
Arp 123-5401 Buick V6 Stage I main stud kit
ARP HEAD BOLT KIT 123-3601 BUICK V6 Stage 1 1977-85 HIGH PERFORMANCE HEX HEAD
ARP HEAD STUD KIT 223-4202 BUICK V6 STAGE II 12 POINT NUTS
Fel-pro 1201 Intake Manifold Gasket Set Buick V6 Stage II Engines 1.32" X 2.35"
GM NOS 25500029 Buick 90* V6 Stage II Aluminum Intake
FEL - PRO 1200 for Buick V6 Intake Gaskets 79 - 87 EXCEPT STAGE 2 ENG
