Engine Details • BUICK 400CID (6.6L) GAS • 1967–79

Models

Gran Sport, GS 400, LeSabre, Skylark, Sportwagon

Liters

6.6

CID

400

Fuel / Delivery

GAS / CARB

Cyl.

Version

VIN

N, P, R, S, T, Z

Desc.

Bore

4.12'' (104.7mm)

Stroke

Head

Asp.

Misc.

Please select to update the part list below:

26 parts found

Part No.	Description	Quantity
PR-103B	Exh. & Int., Stock Length, 5/16" x 8.686" x .060", '67 w/2BBL, w/Tempest ,& Others with 1st Type Cylinder Head Without Push Rod Guide Plate	16
PR-103BK	Skin Packed Kit of 16 each of PR-103B	1
PR-103BQ4	Unit Quantity Package of 4 PR-103B	4
PR-103BS	Package of 4 each of PR-103B	16
PR-105	Exh. & Int., Stock Length, 5/16" x 9.136" x .060", '69-79 All (Exc. Ram Air IV); '68 All (Exc. Ram Air Models WU, WY, XT, XW); '67 All (Exc. Tempest w/2BBL & Pontiac, with 1st Type Cylinder Head)	16
PR-105K	Skin Packed Kit of 16 each of PR-105	1
PR-105Q4	Unit Quantity Package of 4 PR-105	4
PR-105S	Package of 4 each of PR-105	16
PR-106	Exh. & Int., Stock Length, 11/32" x 9.128" x .060", '68 with Ram Air, WU, WY, XT, XW	16
PR-106Q4	Unit Quantity Package of 4 PR-106	4
PR-106S	Package of 4 each of PR-106	16
PR-107	Exh. & Int., Stock Length, 11/32" x 9.200" x .060", '70 w/4BBL, with Ram Air IV	16
PR-107Q4	Unit Quantity Package of 4 PR-107	4
PR-107S	Package of 4 each of PR-107	16
PR-387	Exh. & Int., 5/16" x 8.721" x .060", '67 w/2BBL, w/Tempest & Others with 1st Type Cylinder Head Without Push Rod Guide Plate	16
PR-387Q4	Unit Quantity Package of 4 PR-387	4
PR-387S	Package of 4 each of PR-387	16
PR-389	Exh. & Int., 5/16" x 8.746" x .060", '67 w/2BBL, w/Tempest & Others with 1st Type Cylinder Head Without Push Rod Guide Plate	16
PR-389Q4	Unit Quantity Package of 4 PR-389	4
PR-389S	Package of 4 each of PR-389	16