Pistons & Piston Rings

ProX Big End Pin 40x65.00 mm KTM640LC4 '98-07

Part Number: PXR-06-4065

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Drop Ship
• Special Order

ProX Big End Pin 40x73.80 mm YFM700R '06-21

Part Number: PXR-06-4073-8

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Drop Ship
• Special Order

ProX Big End Pin TM250/300 '05-19 (25x59.6x6.0)

Part Number: PXR-06-C0003

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Drop Ship
• Special Order

95.66mm (3.766") Auto Ring Set- 1 cyl.

Part Number: WIS-3766GNX

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

96.01mm (3.780") Auto Ring Set- 1 cyl.

Part Number: WIS-3780GNX

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Piston Rings, Plasma-moly, 3.796 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-3796H

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

96.52mm (3.800") Auto Ring Set- 1 cyl.

Part Number: WIS-3800GNX

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

97.28mm (3.830") Auto Ring Set- 1 cyl.

Part Number: WIS-3830GNX

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, 3.155 Semi Keystone Ring Set

Part Number: WIS-3155KD

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, 3.165 Semi Keystone Ring Set

Part Number: WIS-3165KD

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, 3.187 Semi Keystone Ring Set

Part Number: WIS-3187KD

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Piston Rings, VF Piston Ring Sets, 3.947 in. Bore, Gas Nitrided, Ring Set Fits One Single Cylinder, 1 Set

Part Number: WIS-10025VF

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

100.5mm Ring Set 1.2 x 1.5 x 2.0mm

Part Number: WIS-10050VF

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

101.0mm Ring Set 1.2 x 1.5 x 2.0mm

Part Number: WIS-10100VF

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

77.85 mm Ring Set

Part Number: WIS-3065TD

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, 3.125 Semi Keystone Ring Set

Part Number: WIS-3125KD

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

3.940" AUTO RING (1 SET FOR 1 PSTN)

Part Number: WIS-3940H

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

4.000" x 1/16x1/16x3/16" Set*

Part Number: WIS-4000R

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

97.54mm (3.840") Auto Ring Set- 1 cyl.

Part Number: WIS-3840GNX

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Ring Set-3.910 Bore 5/64 x 5/64 x 3/16

Part Number: WIS-3910VK

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

99.50mm (3.917") Auto Ring Set- 1 cyl.

Part Number: WIS-3917GFX

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

AUTOMOTIVE RING (1 SET FOR 1 PSTN)

Part Number: WIS-3935H

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

92.71mm (3.650") Auto Ring Set- 1 cyl.

Part Number: WIS-3650GNX

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Piston Pin, JE PREMIUM PIN .875 X 2.500

Part Number: JEP-875250016TTC

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

• Drop Ship
• Special Order

Piston Rings, 1 Cyl 4.310 AP .043-.043-3.0 - RING SET

Part Number: JEP-CSH4434310-1

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

• Drop Ship
• Special Order