Get the Right Rings for Your Application the First Time!
- MR - Moly Ring Set: For mild performance applications.
- DM - Ductile Moly Ring Set: Designed for moderate to high horsepower applications. Works well with some boost or NOS.
- XP - Gas Nitride Stainless Steel Top Ring: Ideal for mild street setups or extreme power-adder applications. Includes Napier second rings and Flex Vent oil control rings.

DSS Piston Ring Kits
DSS-XP610-4005
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1.2 1.2 3.0 mm Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 10 CYLINDER SET
DSS-XP610-4000
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1.2 1.2 3.0 mm Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 10 CYLINDER SET
DSS-XP400-4195
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4190
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4185
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4180
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4170
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4165
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4160
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4155
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4150
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4140
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4130
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4125
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4120
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
DSS-XP400-4110
Regular price
$329.95
Sale price
$329.95
Regular price
Unit price
/per
1/16" 1/16" 3/16" Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings. Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device