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Instruction Sheets for Part Number HSN-CM5521S060
Hastings Claimer Series Performance Piston Ring Sets CM5521S060
Part Number: HSN-CM5521S060
Hastings Claimer Series Performance Piston Ring Sets
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
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Estimated Ship Date: Mar 25, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
CM5521S060
Part Type:
Product Line:
Summit Racing Part Number:
HSN-CM5521S060
UPC:
00075538272274
Bore (in.):
4.059 in.
Bore (mm):
103.100mm
Piston and Ring Oversize (in.):
0.060 in.
Piston and Ring Oversize (mm):
1.500mm
File Fit:
No
Gapless:
No
Gas Ported:
No
Top Ring Included:
Yes
Top Ring Thickness:
1/16 in.
Top Ring Material:
Iron
Top Ring Facing Material:
Plasma-moly
Second Ring Included:
Yes
Second Ring Thickness:
1/16 in.
Second Ring Material:
Iron
Second Ring Facing Material:
Phosphate coated
Oil Ring Included:
Yes
Oil Ring Thickness:
1/8 in.
Quantity:
Sold as 1 set.
Hastings Claimer Series Performance Piston Ring Sets
Hastings Claimer Series Performance piston ring sets are for builders wanting value without sacrificing precision and performance. They start with top rings made from proprietary shell-mold cast iron with plasma moly impact-resistant alloy, providing a hard, yet lubricating, low-friction structure. The plasma moly coating improves wear resistance, reduces scuffing, traps lubricating oil, and is compatible with a wide range of cylinder bore materials. The 2nd rings are manganese phosphate coated. Claimer moly top rings are torsional positive twist and the 2nd rings are torsional reverse-twist taper face. Completing the set of Moly Claimer Performance rings are Hastings Flex-Vent oil rings that minimize friction, improve flexibility, and provide high-rpm oil control.
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