Manley Ring Set 100mm File Fit 1.2mm x 1.2mm x 2.0mm - Set of 4 Subaru EJ205WRX / EJ257 | 461000dt-4 CivicSi_2012-2015 Part #: PSR-PSCKLCD-BL-12H

Part #: PSR-PSCKLCD-BL-12H

and the appropriate alignment tool

Part #: RST-009R

Weight: 12

They are structurally the same but the 151 has an internal baffle and does not spray oil everywhere like a shower head when the drain plug is removed

Manley Ring Set 100mm File Fit 1.2mm x 1.2mm x 2.0mm - Set of 4 Subaru EJ205WRX / EJ257 | 461000dt-4 CivicSi_2012-2015 Part #: PSR-PSCKLCD-BL-12HIn high output or race optimized engines, your piston rings must maintain sealing efficiency under extreme conditions. The Manley Performance Piston Ring Set (Part 461000DT 4) provides a premium upgrade designed for 100 mm bore applications. With specified ring thicknesses of 1. 20 mm top, 1. 20 mm second ring, and a robust 2. 00 mm oil rail, this ring pack is built for performance use. Built with high quality steel and featuring tabbed oil rails and