• LK9 engine.
    • Flat top.
    • 1985 high deck engines.
    • Used in "C" cars only.

Application Summary:

Year Make/Model
1982-1985 Buick Century
1985 Buick Electra
1986 Buick LeSabre
1986-1987 Buick Skylark
1986-1987 Buick Somerset
1985 Buick Somerset Regal
1985 Oldsmobile 98
1985-1987 Oldsmobile Calais
1982-1985 Oldsmobile Cutlass Ciera
1986 Oldsmobile Delta 88
1985-1987 Pontiac Grand Am
Attributes
Base Number 1734
Bore (in) 3.8
Bore (mm) 96.5
Bore Diameter 3.8
Compression Ratio 8.5
Country of Origin (Primary) MX
Crown Type FLAT TOP
Eng. Disp Liters 3
Eng. Disp. In. 181
Eng. Disp. Liters 3
Engine Family GM V6
Engine Manufacturer Buick
Hazardous Material Code N
Life Cycle Status Code Available to Order
Oe Assembly 25511557, 25516698
Oil Ring Thickness 0.1875
Oversize .030
Oversized Yes
Oversizes STD .020 .030 .040 .060
Pin Configuration Offset
Pin Number 0940x302A
PIN TYPE Press
Piston Head Type Flat
Piston Material Cast 332 Alloy
Piston Pin Outside Diameter .940
Ring Pack 5/64, 5/64, 3/16
Second Compression Ring Thickness 0.0781
Sold As Complete Piston Set
Top Compression Ring Thickness 0.0781
Top Land .250
Year From 1982
Year Range 1982-1987
Year To 1987
GTIN 00800745018243