The SL2351-SC P010 is a PMA piston ring set designed for a single cylinder in compatible Lycoming O-235 engine configurations. It is intended for nitride barrel cylinders and includes a matched set of compression and oil control rings manufactured to specific oversize tolerance (P010 = +0.010” oversize class).

The kit is engineered to restore cylinder sealing, oil control, and compression efficiency during engine overhaul or cylinder repair.

From OEM kit breakdown, it typically includes:

2 × compression rings
1 × oil control ring
(3-ring configuration per cylinder) 
Key features include:

PMA replacement piston ring set (single cylinder)
Designed for nitride-treated cylinder barrels
Oversize specification: P010 (+0.010”)
Precision-ground ring faces for proper sealing
Restores compression and reduces blow-by
Engineered for aviation piston engine conditions (high heat & load)
Compatible with select Lycoming O-235 engine variants 
Includes compression + oil control ring set (matched kit)
Used in aircraft engine overhaul and maintenance
FAA-approved replacement part for certified engine builds (application-dependent)