Perforated Steel
Composite
None: 2 Port Size: 1.852x1.589 Port Shape: D-Shape Compressed Thickness: .064 Material: ArmorCore
Material: AM Compressed Thickness: .064 Port Shape: D Port Size: 1.700 x 1.700
Port Size: 1.379 x 1.208 Port Shape: D-Shape Compressed Thickness: .064 Material: Armor
Port Size: 1.463 x 1.471 Port Shape: D-Shape Compressed Thickness: .064 Material: Armor
Material: HTS Compressed Thickness: .060 Port Shape: D Port Size: 1.650x1.600
Material: Armor Compressed Thickness: .064 Port Shape: Round Port Size: 1.5
Material: HTS Compressed Thickness: .060 Port Shape: Round Port Size: 1.500
Material: Armor Compressed Thickness: .064 Port Shape: Square Port Size: 1.500 None: 2
Material: HTS Compressed Thickness: .060 Port Shape: Square Port Size: 1.480x1.450
1.5 in. x 1.5 in. Port
Material: HTS Compressed Thickness: .060 Port Shape: Round Port Size: 2.00
Material: HTS Compressed Thickness: .060 Port Shape: D Port Size: 1.710x1.550
Material: ArmorCore Compressed Thickness: .064 Port Shape: Square Port Size: 1.550 None: 2
Material: HTS Compressed Thickness: .060 Port Shape: Square Port Size: 1.550
Material: HTS Compressed Thickness: .060 Port Shape: Rectangle Port Size: 1.450 x 1.480
Material: HTS Compressed Thickness: .060 Port Shape: Square Port Size: 1.550x1.450
Material: HTS Compressed Thickness: .060 Port Shape: Round Port Size: 1.625
Material: AM Compressed Thickness: .064 Port Shape: DShape Port Size: 1.78x1.70
Material: HTG Compressed Thickness: .094 Port Shape: Square Port Size: 1.480x1.450
with Square Ports
Material: Armor Ply Compressed Thickness: .094 Port Shape: Round Port Size: 1.625
Material: Armor Compressed Thickness: .064 Port Shape: Round Port Size: 1.81
Material: Armor Compressed Thickness: .064 Port Shape: DShape Port Size: 1.5x1.47
Material: AM Compressed Thickness: .064 Port Shape: D Port Size: 1.615x1.500
Material: Armor Compressed Thickness: .064 Port Shape: Round Port Size: 1.625
Material: AM Compressed Thickness: .064 Port Shape: Square Port Size: 1.480x1.450
Material: UncoatedMLS Compressed Thickness: .030 Port Shape: Oval Port Size: 1.6x1.85
Material: MLS Compressed Thickness: .030 Port Shape: Oval Port Size: 1.859x1.688
Material: MLS Compressed Thickness: .030
Material: Uncoated MLS Compressed Thickness: .030 Port Shape: Round Port Size: 1.500
Material: MLS Compressed Thickness: .060 Port Shape: Round Port Size: 1.500
Material: Uncoated MLS Compressed Thickness: .030 Port Shape: Rectangle Port Size: 1.450 x 1.480
Material: MLS Compressed Thickness: .030 Port Shape: Rectangle Port Size: 1.450 x 1.600 None: 2
Material: MLS Compressed Thickness: .030 Port Shape: Round Port Size: 1.625
Material: Copper Compressed Thickness: .043 Port Shape: Square Port Size: 1.550x1.450
Material: Copper Compressed Thickness: .043 Port Shape: Square Port Size: 1.480x1.450
Material: Copper Compressed Thickness: .043 Port Shape: Round Port Size: 1.625
Material: Uncoated MLS Compressed Thickness: .030 Port Shape: D-Shape Port Size: 1.619 x 1.625
Material: MLS Compressed Thickness: .030 Port Shape: D-Shape Port Size: 1.780 x 1.700
Material: Copper Compressed Thickness: .043 Port Shape: Round Port Size: 1.500
Square Port Shape; Port Dimensions W-1.45 in. x H-1.55 in.; Medium Square Race Port
Round Port Shape; Port Diameter 1.50 in.
Round Port Shape; Port Diameter 1.63 in.
Graphite 1.37in x 1.40in Rectangular Ports
Round Port Shape; Port Diameter 1.63 in.
Square Port Shape; Port Dimensions W-1.45 in. x H-1.55 in.; Medium Square Race Port
Material: AR Compressed Thickness: .19
Square Port Shape; Port Dimensions W-1.45 in. x H-1.48 in.; Small Square Race Port
Round Port Shape; Port Diameter 1.50 in.
Material: Copper Compressed Thickness: .043 Port Shape: Round Port Size: 1.625
Material: MLS Compressed Thickness: .030 Port Shape: Oval Port Size: 1.927x1.752
Graphite 1.50in x 1.50in Square Ports
Round Port Shape; Port Diameter 1.93 in.; Hooker/Stahl Combination Adapter Plate
Square Port Shape; Port Dimensions W-1.45 in. x H-1.48 in.
Round Port Shape; Port Diameter 1.63 in.
Oval Port Shape; Port Dimensions W-1.50 in. x H-1.82 in.; Thickness .062 in.
Oval Port Shape; Port Dimensions W-1.61 in. x H-1.85 in.; Hooker Combination
D Port Shape; Port Dimensions W-1.55 in. x H-1.71 in.
D Port Shape; Port Dimensions W-1.65 in. x H-1.60 in.; Brodix Spread Port Aluminum Heads
Material: MLS Compressed Thickness: .030 Port Shape: Oval Port Size: 1.800 x 1.550
Graphite 1.63in Round Ports High Performance Gasket with Cast Iron Cylinder Head
Square Port Shape; Port Dimensions W-1.45 in. x H-1.55 in.; Medium Square Race Port
Round Port Shape; Port Diameter 1.63 in.
Round Port Shape; Port Diameter 1.50 in.
Square Port Shape; Port Dimensions W-1.45 in. x H-1.48 in.; Small Square Race Port
Browse our selection of quality exhaust manifold gasket set parts designed specifically for your GMC G1500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Rally · Rally Custom · Rally STX · Vandura
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L6 4.1L · V6 4.3L · V8 5.0L · V8 5.7L · V8 6.6L
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