2021 Pistons & Piston Rings

ProX Piston Kit YZ85 '02-22 (47.45mm)

Part Number: PXR-01-2114-B

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Special Order

430cid 4.075 x 1.050RCH, 4.125stroke,6.125rod,0.927pin,-8.0cc,436g,11.2CR, 4032

Part Number: MLE-930225275-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

372cid 3.947 x 1.205CH, 3.800stroke,6.125rod,0.927pin,10.2cc,448g,11.3CR, 2618

Part Number: MLE-930276047-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

392cid 3.927 x 1.095RCH, 4.050stroke,6.125rod,0.927pin,-2.2cc,405g,10.5CR, 4032

Part Number: MLE-930276227-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

392cid 3.927 x 1.095RCH, 4.050stroke,6.125rod,0.927pin,6cc,426g,11.5CR, 4032

Part Number: MLE-930276327-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Piston, Dish, 4.065 in. Bore, 4.00 in. Stroke, Forged Aluminum, Chevy, LS, Each

Part Number: MLE-930229465-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

ProX Piston Kit YZ65 '18-22 (43.44mm)

Part Number: PXR-01-2018-A

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

ProX Piston Kit PW50 '81-22 (40.00mm)

Part Number: PXR-01-2005-000

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Special Order

ProX Piston Kit YZ65 '18-22 (43.45mm)

Part Number: PXR-01-2018-B

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Special Order

Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42266CP-040

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Special Order

Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42266CP-030

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Special Order

Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42285CP-040

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Special Order

302cid 3.630 x 1.167CH, 3.650stroke,5.933rod,0.866pin,-4.5cc,383g,10.1CR, M142P

Part Number: MLE-930134030-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

304cid 3.640 x 1.167CH, 3.650stroke,5.933rod,0.866pin,-4.5cc,386g,10.1CR, M142P

Part Number: MLE-930134040-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

366cid 3.917 x 1.205CH, 3.800stroke,6.125rod,0.927pin,10.2cc,438g,11.2CR, 2618

Part Number: MLE-930276017-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

394cid 3.937 x 1.095RCH, 4.050stroke,6.125rod,0.927pin,6cc,429g,11.6CR, 4032

Part Number: MLE-930276337-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

304cid 3.640 x 1.167CH, 3.650stroke,5.933rod,0.866pin,3.0cc,392g,11.2CR, M142P

Part Number: MLE-930258040-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

396cid 3.947 x 1.095RCH, 4.050stroke,6.125rod,0.927pin,6cc,432g,11.6CR, 4032

Part Number: MLE-930276347-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

392cid 4.095 x 1.211CH, 3.724stroke,6.200rod,0.945pin,3.6cc,454g,11.0CR, 4032

Part Number: MLE-930279095-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Piston Wrist Pin, Heavy Duty, 1.358 in. Diameter, 3.051 in. Length, 410 grams, Steel, DLC Coating, Each

Part Number: MLE-9300916

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

368cid 3.927 x 1.205CH, 3.800stroke,6.125rod,0.927pin,10.2cc,442g,11.3CR, 2618

Part Number: MLE-930276027-1

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Special Order

370cid 3.937 x 1.205CH, 3.800stroke,6.125rod,0.927pin,10.2cc,445g,11.3CR, 2618

Part Number: MLE-930276037-1

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Special Order

393cid 4.100 x 1.211CH, 3.724stroke,6.200rod,0.945pin,3.6cc,456g,11.0CR, 4032

Part Number: MLE-930279000-1

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Special Order

Piston and Ring Kit, Forged Aluminum, 42.000mm Bore, Yamaha, Kit

Part Number: WIS-653M04200

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Special Order

Comp Series LT1/LT4 4.125B/1.115CD

Part Number: DPP-11597-R2

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

• Special Order