Looking for aftermarket parts to modify or upgrade your 1973 GMC Jimmy with head gaskets? At Tunersports.com we carry a huge selection of the top name brand performance head gasket parts and accessories.

SHIPS FROM MANUFACTURER C15270-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV BB V8 .051in MLS Cyl Head Gasket-4.620in Bore 1973-1974 GMC Jimmy Base $115.56 |
SHIPS FROM MANUFACTURER C15413-043Copper Head Gasket... Cometic Chevy Big Block 4.320in Bore 0.043in Copper Round Bore Head Gasket 1973-1974 GMC Jimmy Base $141.78 |
SHIPS FROM MANUFACTURER C15414-043Copper Head Gasket... Cometic Chevy Big Block 4.530in Bore 0.043in Copper Head Gasket 1973-1974 GMC Jimmy Base $141.78 |
SHIPS FROM MANUFACTURER C15415-043Copper Head Gasket... Cometic Chevy Big Block 4.630in Bore 0.043in Copper Head Gasket 1973-1974 GMC Jimmy Base $141.78 |
SHIPS FROM MANUFACTURER C15513-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV Big Block V8 .040in MLS Cylinder Head Gasket - 4.580in Bores 1973-1974 GMC Jimmy Base $118.97 |
SHIPS FROM MANUFACTURER C15516-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV Big Block V8 .060in MLS Cylinder Head Gasket - 4.350in Bores 1973-1974 GMC Jimmy Base $150.72 |
SHIPS FROM MANUFACTURER C15529-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV Big Block V8 .040in MLS Cylinder Head Gasket - 4.500in Bores 1973-1974 GMC Jimmy Base $118.97 |
SHIPS FROM MANUFACTURER C5036-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .040in MLS Cylinder Head Gasket - 4.570in Bore 1973-1974 GMC Jimmy Base $118.97 |
SHIPS FROM MANUFACTURER C5080-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .040in MLS Cylinder Head Gasket - 4.500in Bore 1973-1974 GMC Jimmy Base $118.97 |
SHIPS FROM MANUFACTURER C5081-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .040in MLS Cylinder Head Gasket - 4.510in Bore 1973-1974 GMC Jimmy Base $118.97 |
SHIPS FROM MANUFACTURER C5081-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .051in MLS Cylinder Head Gasket - 4.510in Bore 1973-1974 GMC Jimmy Base $123.32 |
SHIPS FROM MANUFACTURER C5331-072MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .072in MLS Cylinder Head Gasket - 4.630in Bore 1973-1974 GMC Jimmy Base $150.72 |
SHIPS FROM MANUFACTURER C5331-081MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .081in MLS Cylinder Head Gasket - 4.630in Bore 1973-1974 GMC Jimmy Base $160.71 |
SHIPS FROM MANUFACTURER C5432-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .060in MLS Cylinder Head Gasket - 4.310in Bore 1973-1974 GMC Jimmy Base $141.65 |
SHIPS FROM MANUFACTURER C5432-080MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Big Block Brodix Big Duke/Big Brodie Heads 4.31in Bore .080in MLS Head Gasket 1973-1974 GMC Jimmy Base $151.57 |
SHIPS FROM MANUFACTURER c5433-070MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy BB 4.320in Bore .070 inch MLS-5 396/402/427/454 Head Gasket 1973-1974 GMC Jimmy Base $141.65 |
SHIPS FROM MANUFACTURER C5433-075MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .075in MLS Cylinder Head Gasket - 4.570in Bore 1973-1974 GMC Jimmy Base $141.65 |
SHIPS FROM MANUFACTURER C5433-098MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .098in MLS Cylinder Head Gasket - 4.570in Bore 1973-1974 GMC Jimmy Base $151.57 |
SHIPS FROM MANUFACTURER C5433-140MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .140in MLS Cylinder Head Gasket - 4.570in Bore 1973-1974 GMC Jimmy Base $235.73 |
SHIPS FROM MANUFACTURER C5434-065MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .065in MLS Cylinder Head Gasket - 4.630in Bore 1973-1974 GMC Jimmy Base $141.65 |
SHIPS FROM MANUFACTURER C5434-089MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .089in MLS Cylinder Head Gasket - 4.630in Bore 1973-1974 GMC Jimmy Base $151.57 |
SHIPS FROM MANUFACTURER C5434-098MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV GM Gen-V/VI BB 4.630in Bore .098in MLS Head Gasket 1973-1974 GMC Jimmy Base $151.57 |
SHIPS FROM MANUFACTURER C5491MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV Big Block V8 .040in MLS Cyl Head Gasket-4.500in Bore-Brodix Water Passages 1973-1974 GMC Jimmy Base $115.56 |
SHIPS FROM MANUFACTURER C5492MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV Big Block V8 .040in MLS Cyl Head Gasket-4.600in Bore-Brodix Water Passages 1973-1974 GMC Jimmy Base $115.56 |
SHIPS FROM MANUFACTURER C5816-047MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .047in MLS Cylinder Head Gasket - 4.320in Bore 1973-1974 GMC Jimmy Base $123.32 |