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STD 040 single piston (includes piston rings)
Compression height 42/8mm +1.68mm
USA version compression ratio: 8.0:1

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
STD 040 single piston (includes piston rings)
Compression height 42/8mm +1.68mm
USA version compression ratio: 8.0:1













