Page 80 - 2018 Master Catalog

ENGINE WORKS COPPER HEAD GASKETS

• Precise cylinder head to block alignment
• Pure copper sheets that eliminate uneven loading
• Lower-leak down percentages
• Premium annealed copper provides measurable gains in
cylinder sealing
• O-Ring recommended

PART NO. TYPE BORE THICKNESS
CHEVY
140643 Small Block Chevy 4.060” .043”
140662 Small Block Chevy 4.060” .062”
141543 Small Block Chevy 4.155” .043”
141562 Small Block Chevy 4.155” .062”
142043 Small Block Chevy 4.200” .043”
142062 Small Block Chevy 4.200” .062”
242443 Big Block Chevy 4.250” .043”
243243 Big Block Chevy 4.320” .043”
243262 Big Block Chevy 4.320” .062”
243272 Big Block Chevy 4.320” .072”
245243 Big Block Chevy 4.520” .043”
245743 Big Block Chevy 4.570” .043”
245750 Big Block Chevy 4.570” .050”
245762 Big Block Chevy 4.570” .062”
246343 Big Block Chevy 4.630” .043”
246350 Big Block Chevy 4.630” .050”
246362 Big Block Chevy 4.630” .062”
246380 Big Block Chevy 4.630” .080”
FORD
340643 Small Block Ford 4.060” .043”
340662 Small Block Ford 4.060” .062”
341643 Small Block Ford 4.160” .043”
341662 Small Block Ford 4.155” .062”
342043 Small Block Ford 4.200” .043”
342062 Small Block Ford 4.200” .062”

STEEL CORE VALVE
COVER GASKETS

Made from virgin cork material that ensures a proper seal on the valve cover after torque.
Steel core gaskets have a steel shim laminated between 2 layers of premium cork rubber RUBBER VALVE
material ensuring the gasket will retain it’s shape after torque. COVER GASKETS
2-PACK 20-PACK APPLICATION MATERIAL THICKNESS All gaskets feature a steel shim frame sandwiched
CHEVY between blue rubber sealing material.
350PVC 350PVC-20 SBC Cork Rubber 5/16”
350SVC 350SVC-20 SBC Steel Core 5/16” 2-PACK 20-PACK APPLICATION MATERIAL
357SVC 357SVC-20 SBC 18° Steel Core 5/16” CHEVY
454PVS 454PVS-20 BBC Cork Rubber 5/16” 350RVC 350RVC-20 SBC, 265-400 Early Rubber
454SVC 454SVC-20 BBC Steel Core 5/16” 454RVC 454RVC-20 BBC Rubber
456SVC 456SVC-20 DART BIG CHIEF Steel Core 5/16” FORD
FORD 302RVC 302RVC-20 SBF, 260-351W Rubber
302SVC 302SVC-20 SBF Steel Core 5/16”

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