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(16) Positive Stop PTFE Valve Seals: For 5/16" Valves & .530" Guides
SKU
500-16
$27.95
Fits: 5/16" Valve Stems • .530" Guides (.630" Outer Diameter)
Valves seals keep unwanted oil from entering the combustion chamber through clearance in the valve guides
Smaller diameter than COMP® Umbrella Seals to allow use w/ double springs
Note
Description
2Requires machining on cylinder heads
