Cylinder Kits - M8

Suburban Speed Milwaukee Eight 121CVO Forged Replacement Piston & Cylinder Kit
Suburban Speed and Mahle Motorsports have come out with a 121 ci flat top forged piston & cylinder kit to replace the 121 cast piston. This piston is +.005 to make the bore 4.080 and straighten out the factory bore. They are forged from 4032 aluminum material which has a low expansion rate so you can run tighter piston to cylinder clearance.  These pistons have a -1.2cc dome to get the compression up to 10.9 to 1. The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability. This kit if for 4.625 stroke flywheel only.
 

Mahle pistons feature:

• Forged from 4032 aluminum for tighter cylinder wall clearances and quieter operation.
• Forged 4032 alloy with grafal anti-friction coating on skirts.
• Phosphate-coated to reduce micro-welding and pin galling.
• Pin bores finished on CNC boring equipment.
• High strength 9310, light weight nitrided steel wrist pins.
• .039 plasma moly top rings, .039 napier cast second rings.
• 2mm low tension oil rings.

PRICE $

SPECIAL SALE PRICE $

Pricing and availability subject to change without notice.

Suburban Speed Milwaukee Eight 107 to 120 CI Flat Top Piston & Cylinder Kit

Suburban Speed and Mahle Motorsports have come out with a 120 ci flat top piston & cylinder kit that does not require case boring for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome to get the compression up to 10.9 to 1. The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability.

Mahle pistons feature:

• Forged from 4032 aluminum for tighter cylinder wall clearances and quieter operation.
• Forged 4032 alloy with grafal anti-friction coating on skirts.
• Phosphate-coated to reduce micro-welding and pin galling.
• Pin bores finished on CNC boring equipment.
• High strength 9310, light weight nitrided steel wrist pins.
• .043 plasma moly top rings, .043 napier cast second rings.
• 2mm low tension oil rings.

PRICE $1267.85

SPECIAL SALE PRICE $871.00   (LIMITED QUANITITIES)

Pricing and availability subject to change without notice.

Suburban Speed Milwaukee Eight 114/117 to 124 CI Flat Top Piston & Cylinder Kit

Suburban Speed and Mahle Motosports have come out with a 124 ci flat top piston & cylinder kit for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome to get the compression up to 11.2 to 1. The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability. We also have a cylinder exchange program for the 114-117 cylinders.

Mahle pistons feature:

• Forged from 4032 aluminum for tighter cylinder wall clearances and quieter operation.
• Forged 4032 alloy with grafal anti-friction coating on skirts.
• Phosphate-coated to reduce micro-welding and pin galling.
• Pin bores finished on CNC boring equipment.
• High strength 9310, light weight nitrided steel wrist pins.
• .043 plasma moly top rings, .043 napier cast second rings.
• 2mm low tension oil rings.

PRICE $1267.85

SALE PRICE $871.00    LIMITED QUANTITIES)

EXCHANGE PRICE $757.46

Pricing and availability subject to change without notice.

Suburban Speed Milwaukee Eight 114/117 to 124 CI High Compression Piston & Cylinder Kit

Suburban Speed and Mahle Motosports have come out with a 124 ci high compression piston & cylinder kit for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a 6cc dome to get the compression up to 12.0 to 1 with an 88cc head and 11.2 to 1 with the 95cc Screamin' Eagle Extreme Heads. The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability. We also have an cylinder exchange program for the 114-117 to 124 piston kits.

Mahle pistons feature:

• Forged from 4032 aluminum for tighter cylinder wall clearances and quieter operation.
• Forged 4032 alloy with grafal anti-friction coating on skirts.
• Phosphate-coated to reduce micro-welding and pin galling.
• Pin bores finished on CNC boring equipment.
• High strength 9310, light weight nitrided steel wrist pins.
• .043 plasma moly top rings, .043 napier cast second rings.
• 2mm low tension oil rings.

PRICE $1294.85

SALE PRICE $1195.27

CYLINDER EXCHANGE PRICE $783.11

Pricing and availability subject to change without notice.

New Suburban Speed Milwaukee Eight 114/117 to 130 CI Flat Top Piston & Cylinder Bolt On Kit

Suburban Speed and Mahle Motosports have come out with a 114 -117 TO 130 ci flat top piston & cylinder kit for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome to get the compression up to 11.4 to 1 to 11.8 to 1 depending on the head gaskets. The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability. This piston & cylinder kit does not require rebalancing flywheels like most of our competitors piston kits.

Mahle pistons feature:

• Forged from 4032 aluminum for tighter cylinder wall clearances and quieter operation.
• Forged 4032 alloy with grafal anti-friction coating on skirts.
• Phosphate-coated to reduce micro-welding and pin galling.
• Pin bores finished on CNC boring equipment.
• High strength 9310, light weight nitrided steel wrist pins.
• .058 plasma moly top rings, .058 cast second rings.
• .123 low tension oil rings.

PRICE $1738.84

SPECIAL SALE PRICE $1440.48    (LIMITED QUANTITIES)

Pricing and availability subject to change without notice.

New Suburban Speed Milwaukee Eight 107 to 126 CI Flat Top Piston & Cylinder Bolt On Kit

Suburban Speed and Mahle Motosports have come out with a 107 TO 126 ci flat top piston & cylinder kit for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome to get the compression up to 11.0 to 1 to 11.4 to 1 depending on the head gaskets . The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability. This piston & cylinder kit does not require rebalancing flywheels like most of our competitors piston kits.

Mahle pistons feature:

• Forged from 4032 aluminum for tighter cylinder wall clearances and quieter operation.
• Forged 4032 alloy with grafal anti-friction coating on skirts.
• Phosphate-coated to reduce micro-welding and pin galling.
• Pin bores finished on CNC boring equipment.
• High strength 9310, light weight nitrided steel wrist pins.
• .058 plasma moly top rings, .058 cast second rings.
• .123 low tension oil rings.

SALE PRICE $1738.84

SPECIAL SALE PRICE $1515.07

Pricing and availability subject to change without notice.

Suburban Speed Milwaukee Eight 107 to 128 & 114/117 to 131 CI Piston & Cylinder Kit

Suburban Speed and Mahle Motosports have come out with a 107 to 128 and 114 - 117 to 131ci flat top piston & cylinder kit for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome to get the compression up to 11.1 to 1 to 12.0 to 1 depending on the cylinder head gaskets. The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability. This piston & cylinder kit does not require rebalancing flywheels like most of our competitors piston kits.

Mahle pistons feature:

• Forged from 4032 aluminum for tighter cylinder wall clearances and quieter operation.
• Forged 4032 alloy with grafal anti-friction coating on skirts.
• Phosphate-coated to reduce micro-welding and pin galling.
• Pin bores finished on CNC boring equipment.
• High strength 9310, light weight nitrided steel wrist pins.
• .058 plasma moly top rings, .058 cast second rings.
• .150 low tension oil rings.

GEN 1 PRICE $1461.25

GEN 2 CENTER COOLED PRICE $1576.90

Pricing and availability subject to change without notice.

 

Suburban Speed Milwaukee Eight 2017 TO 2023 135 CI Piston & Cylinder Kit

Suburban Speed and Mahle Motosports have come out with a 135ci flat top piston & cylinder kit for your 2017 to 2023 Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome to get the compression up to 11.3 to 1 to 11.66 to 1 with a 94 cc head.  The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability. This piston & cylinder kit does not require rebalancing flywheels like most of our competitors piston kits. (REQUIRES 4.625 FLYWHEELS)

Mahle pistons feature:

• Forged from 4032 aluminum for tighter cylinder wall clearances and quieter operation.
• Forged 4032 alloy with grafal anti-friction coating on skirts.
• Phosphate-coated to reduce micro-welding and pin galling.
• Pin bores finished on CNC boring equipment.
• High strength 9310, light weight nitrided steel wrist pins.
• .058 plasma moly top rings, .058 cast second rings.
• .150 low tension oil rings.

PRICE $1485.61

Pricing and availability subject to change without notice.

Suburban Speed Milwaukee Eight 2023 UP 135 CI Piston & Cylinder Kit (CENTER COOLED HEADS)

Suburban Speed and Mahle Motosports have come out with a 135ci flat top piston & cylinder kit for your 2023-UP Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome to get the compression up to 11.8 to 1 to 12.2 to 1 with a 94 cc head.  The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability. This piston & cylinder kit does not require rebalancing flywheels like most of our competitors piston kits. (REQUIRES 4.625 FLYWHEELS)

Mahle pistons feature:

• Forged from 4032 aluminum for tighter cylinder wall clearances and quieter operation.
• Forged 4032 alloy with grafal anti-friction coating on skirts.
• Phosphate-coated to reduce micro-welding and pin galling.
• Pin bores finished on CNC boring equipment.
• High strength 9310, light weight nitrided steel wrist pins.
• .058 plasma moly top rings, .058 cast second rings.
• .150 low tension oil rings.

PRICE $1602.55

Pricing and availability subject to change without notice.

 

Suburban Speed Milwaukee Eight CVO121 to 127 CI Flat Top Piston & Cylinder Kit

Suburban Speed and Mahle Motosports have come out with a 127 ci flat top piston & cylinder kit for your 2024+ Harley-Davidson® Milwaukee Eight CVO. These 4.185 pistons have a -1.2cc dome to get the compression up to 11.2 to 1. The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability. These piston will only fit with 4.625 flywheels.

Mahle pistons feature:

• Forged from 4032 aluminum for tighter cylinder wall clearances and quieter operation.
• Forged 4032 alloy with grafal anti-friction coating on skirts.
• Phosphate-coated to reduce micro-welding and pin galling.
• Pin bores finished on CNC boring equipment.
• High strength 9310, light weight nitrided steel wrist pins.
• .039 plasma moly top rings, .039 napier cast second rings.
• 2mm low tension oil rings.

PRICE $1258.70

SALE PRICE $1132.83

EXCHANGE PRICE $797.65

Pricing and availability subject to change without notice.