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GM Genuine Parts Gen 5 LT Exhaust Manifold Gasket  Product 740 of 798 in category LS Engine Components  GM Genuine Parts Inconel LT1 & LT4 Exhaust Valve

GM Genuine Parts Gen 5 LT1 & LT2 Cylinder Head Gasket

GM Genuine Parts Gen 5 LT1 & LT2 Cylinder Head Gasket
   
$83.99 
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GM Genuine Parts Gen 5 LT1 & LT2 Cylinder Head Gasket

GM Genuine Parts Gen 5 LT1 & LT2 Cylinder Head Gasket

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Product Specifications

Material
Multi Layer Steel

O Ring Thickness
0.05 in

Thickness
0.05 in

Thickness
1.33 mm

Cylinder Bore Diameter
4.09 in

O Ring Outside Diameter
4.23 in

O Ring Inside Diameter
4.32 in

Cylinder Bore Diameter
104 mm

O Ring Inside Diameter
109.7 mm

Face Width
494.64 mm

Color
Gold

O Ring Color
Red

O Ring Rim Shape
Round

Face Width
19.47 in

Classification
OE
GM Part # 12688943
ACDelco Part # 12688943
 
  PROP 65 WARNING
This product was added to our catalog on Thursday 17 September, 2026.
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GM Genuine Parts Gen 5 LT Exhaust Manifold Gasket  Product 740 of 798 in category LS Engine Components  GM Genuine Parts Inconel LT1 & LT4 Exhaust Valve
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DLX Bluetooth® Throttle Controller: Corvette C7, C8, Camaro 6th gen, Cadillac CTS 3 & MORE
DLX Bluetooth® Throttle Controller: Corvette C7, C8, Camaro 6th gen, Cadillac CTS 3 & MORE
$229.00 
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