Availability
Oil Ring Support Rail, 4.061-4.125 in. Bore, Spring Steel, Each
Part Number: ROS-ORS-406
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
OIL RING SUPPORT RAIL, Each
Part Number: ROS-ORS-421
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Piston Oil Ring Spacers, 4.436-4.469 Oil Ring Support, Each
Part Number: ROS-ORS-443
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Piston Oil Ring Spacers, 4.600-4.650 Oil Ring Support, Each
Part Number: ROS-ORS-456RR
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Piston Oil Ring Spacers, 4.626-4.686 Oil Ring Support, Each
Part Number: ROS-ORS-463
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
OIL SUPPORT RING, Each
Part Number: ROS-ORS-470
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Piston Oil Ring Spacers, 4.780-4.840 Oil Ring Support, Each
Part Number: ROS-ORS-478
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Oil Ring Support Rail, 4.591-4.625 in. Bore, Spring Steel, Each
Part Number: ROS-ORS-456
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
R-102 Spacer Ring
Part Number: UEM-R-102
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
R-108 Spacer Ring
Part Number: UEM-R-108
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
RAIL SUPPORT
Part Number: CNN-RAILSRBC4600
Not Yet Reviewed
Estimated Ship Date: Jan 8, 2026 if ordered today
Estimated Ship Date: Jan 8, 2026 if ordered today
Groove Lock Spacer - 4.589-4.685" bores
Part Number: WIS-GLS44
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Oil Rail Support, Dimpled, 4.152 in. up to 4.265 in. Bore, Each
Part Number: WIS-GLS29
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Oil Rail Support, 3.307 in. up to 3.347 in. Bore, Each
Part Number: WIS-GLS32
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
R-139 Spacer Ring
Part Number: UEM-R-139
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
R-143 Spacer Ring
Part Number: UEM-R-143
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
R-165 Spacer Ring
Part Number: UEM-R-165
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
R-74 Spacer Ring
Part Number: UEM-R-74
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
R-78 Spacer Ring
Part Number: UEM-R-78
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
R-88 Spacer Ring
Part Number: UEM-R-88
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
R-99 Spacer Ring
Part Number: UEM-R-99
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
PISTON RAILS
Part Number: UEM-R137
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
R-100 Spacer Ring
Part Number: UEM-R-100
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
R-101 Spacer Ring
Part Number: UEM-R-101
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
R-103 Spacer Ring
Part Number: UEM-R-103
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.