Sold out
Mahle MS Ford EcoBoost 1.6L 79mm Bore 81.4mm Stroke 134mm Rod 21mm Pin -6cc 10.1CR Set of 4
Click to zoom in

Mahle MS Ford EcoBoost 1.6L 79mm Bore 81.4mm Stroke 134mm Rod 21mm Pin -6cc 10.1CR Set of 4

Mahle
MHL197894710
197894710
Piston Sets - Forged - 4cyl
Out of stock
$ 858.89

SKU: 197894710 | UPC: 197894710

Mahle MS Ford EcoBoost 1.6L 79mm Bore 81.4mm Stroke 134mm Rod 21mm Pin -6cc 10.1CR Set of 4 2014-2019 Fiesta ST

This Mahle MS forged piston set upgrades the Ford EcoBoost 1.6L engine in 2014-2019 Fiesta ST models. Precision machined for 79mm bore and stock stroke these pistons deliver strength for boosted applications. Includes rings for direct bolt-in performance with 10.1:1 compression ratio.

Key Features

  • Forged 2618-T61 Alloy: High-silicon aluminum withstands extreme heat and pressure in high-boost EcoBoost builds
  • 79mm Bore 81.4mm Stroke: Matches factory dimensions for seamless integration and reliable cylinder sealing
  • 134mm Rod Length 21mm Pin: Ensures proper geometry with stock or aftermarket rods for balanced rotation
  • -6cc Dish Volume: Achieves 10.1:1 compression ratio ideal for turbocharged power without detonation risk
  • Premium Rings Included: Pre-gapped moly rings reduce friction and blow-by for quicker revs and efficiency

Product Notes

  • Rings are file-fit requiring final sizing during assembly
  • Pair with quality rods and bearings for complete rotating assembly
  • Ships in foam-protected box to prevent damage

Installation Notes

  • Professional installation recommended.
  • Balance entire rotating assembly including pistons rods and crank
  • Compatible with factory hardware verify wrist pin circlips included

This Part Fits

Year Make Model Submodel
2014-2019 Ford Fiesta ST 1.6L EcoBoost

Why Choose Mahle?

  • Global leader in OE pistons for Ford engines
  • Motorsports-proven durability in racing applications
  • Tight tolerances from CNC machining for consistent performance

Frequently Asked Questions

  • Q: Will these pistons fit my 2016 Ford Fiesta ST?
    A: Yes designed specifically for 2014-2019 Fiesta ST 1.6L EcoBoost engines with 79mm bore
  • Q: What material are the pistons made from?
    A: Forged 2618-T61 aluminum alloy for superior strength and thermal stability under boost
  • Q: What is the warranty on these pistons?
    A: Mahle offers a limited warranty against manufacturing defects when installed by professionals

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective box 10.5 x 10.5 x 5.5 inches
  • Weight: 5.85 lbs

Request For Information

Have questions about Mahle MS Ford EcoBoost 1.6L 79mm Bore 81.4mm Stroke 134mm Rod 21mm Pin -6cc 10.1CR Set of 4? Fill out the form below and we'll get back to you by the next business day.
Engine

Engine

Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...

View Engine Products
Mahle

Mahle

Mahle Mahle engine components for BMW, Audi, VW, Mercedes, Ford, GM, Subaru and import performance builds are stocked at Black Ops Auto Works. Shop forged pistons, piston rings, engine bearings, oil filters, air filters, cabin filters and gaskets for rebuilds that need dependable fitment. Every product is filterable by year, make, model, trim, engine and drivetrain when fitment applies. Black Ops Auto Works carries 77 Mahle SKUs across exterior graphics, vehicle accessories, maintenance products and performance focused applications. What This Mahle Collection Covers Mahle supports OE replacement service and serious engine builds with parts engineered around bore size, compression ratio, ring package, bearing clearance and vehicle application. Mahle Pistons and Ring Sets Fitment and product selection Forged piston and ring packages serve LS, EcoBoost, Subaru EJ, BMW S54 and S65, Honda F20C, Mitsubishi 4B11T, 2JZ and big block combinations. Confirm bore, stroke, rod length, pin si...

View Mahle Products
Piston Sets - Forged - 4cyl

Piston Sets - Forged - 4cyl

Forged 4-cylinder piston sets built for boosted street and race engines are stocked at Black Ops Auto Works. Shop forged piston sets from leading manufacturers sized for popular 4-cylinder turbo platforms, engineered to handle high boost, high compression, and repeated hard use without the failure risk of cast pistons. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct piston set ships the first time. Black Ops Auto Works carries 402 forged 4-cylinder piston set SKUs across bore size, compression ratio, and platform fitment. What This Category Covers The Piston Sets - Forged - 4cyl collection covers complete forged piston sets for inline-4 turbo and naturally aspirated engines, sized to specific bore diameters and offered in multiple compression ratios for street, drag, and road race builds. The catalog is strongest on Manley, Wiseco, and CP-Carrillo forged sets for common Honda, Subaru, Mitsubishi, and Mazda 4-cylinder turbo platforms....

View Piston Sets - Forged - 4cyl Products
Pistons

Pistons

Pistons and piston components for engine builds and rebuilds are stocked at Black Ops Auto Works. Shop forged and cast piston sets, piston rings, piston pins, and pin locks for 4, 5, 6, and 8-cylinder gas engines and diesel applications, including Cummins 5.9L 12-valve, Toyota 2JZGTE, Honda K20, BMW and Toyota B58, GM 6.2L LT1 and L86, Chrysler Gen3 Hemi 6.2L Hellcat and 6.4L Apache, and Nissan VQ35DE builds. Every product is filterable by bore size, engine platform, compression ratio, and application so the correct piston set ships the first time. Black Ops Auto Works carries 997 piston and piston component SKUs across forged, cast, and diesel-specific categories. What This Category Covers Pistons are the core moving component of any engine build, transferring combustion force into rotational power through the connecting rod and crankshaft. This category covers complete piston sets plus the individual components, rings, pins, and pin locks, needed for a full rebuild or performa...

View Pistons Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×