Parts Catalog - M8 - Pistons | Suburban Motors Harley-Davidson

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Pistons - M8

SUBURBAN SPEED MILWAUKEE EIGHT 107 TO 120 CI FLAT TOP PISTONS

Suburban Speed and Mahle Motosports have come out with a 120 ci flat top piston 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.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
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.
  • Piston weight 526g

part #: SS148185F01

retail price: $389.95   sale price:$350.95

Pricing and availability subject to change without notice.

Harley-Davidson Pistons

SUBURBAN SPEED MILWAUKEE EIGHT 107 TO 120 CI HIGH COMPRESSION PISTONS

Suburban Speed and Mahle Motosports have come out with a 120 ci high compression dome top piston for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a 8cc dome to get the compression up to 12.0 to 1 with 88cc heads. With the new Screamin, Eagle Extereme CNC it will give you 11.1 to 1 compression with 95cc 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. Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
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.
  • Piston weight 532g

part #: SS148185D08

retail price: $416.95   sale price: $375.25

Pricing and availability subject to change without notice.

Harley-Davidson Pistons

SUBURBAN SPEED MILWAUKEE EIGHT 114/117 TO 124 CI FLAT TOP PISTONS

Suburban Speed and Mahle Motosports have come out with a 124 ci  flat top piston for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a -1.4cc 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.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
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.
  • Piston weight 526g

part #: SS085185F01

retail price: $389.95   sale price: $

Pricing and availability subject to change without notice.

Harley-Davidson Pistons

SUBURBAN SPEED MILWAUKEE EIGHT 114/117 CVO TO 124 CI HIGH COMPRESSION PISTONS

Suburban Speed and Mahle Motosports have come out with a 124 ci high compression  piston for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a 6cc dome to get the compression up to 12.0 to 1 with 88cc heads. With the new Screamin, Eagle Extreme CNC Ported Heads this will get the compression to 11.2 to 1 with 94cc 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.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
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.
  • piston weight 531g

part #: SS085185D06

retail price: $416.95   sale price: $375.25

Pricing and availability subject to change without notice.

Harley-Davidson Pistons

SUBURBAN SPEED MILWAUKEE EIGHT 107 TO 126 CI FLAT TOP PISTONS

Suburban Speed and Mahle Motosports have come out with a 126 ci flat top piston for your 2017 - up 4.375 stroke Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome to get the compression up to 11.16 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.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
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.
  • Phosate-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.
  • 3mm low tension oil rings.
  • Piston weight 528g

SS148280F01 $413.95

Pricing and availability subject to change without notice.

Harley-Davidson Pistons

SUBURBAN SPEED MILWAUKEE EIGHT 107 TO 128 CI FLAT TOP SCREAMIN' EAGLE 10.95 COMPRESSION PISTONS

Suburban Speed and Mahle Motosports have come out with a 128 ci flat top piston for your 2017+ Harley-Davidson® Milwaukee Eight 128. These pistons have a -1.2cc dome to get the compression up from 10.5 to 10.95 to 1 with the Screamin' Eagle 94cc Extreme Ported 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.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
Mahle pistons feature:

Compression with 88cc headsCompression with 94cc heads
.045 head gasket = 11.3.045 head gasket = 10.7
.040 head gasket = 11.4.040 head gasket = 10.8
.036 head gasket = 11.5.036 head gasket = 10.95
.030 head gasket = 11.7.030 head gasket = 11.1
  • 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  cast second rings.
  • 2mm low tension oil rings. 
  • Piston weight 542g

part #: SS148310F02

retail price: $389.95   sale price: 

Pricing and availability subject to change without notice.

Harley-Davidson Pistons

SUBURBAN SPEED MILWAUKEE EIGHT 114/117 TO 130 CI FLAT TOP PISTONS

Suburban Speed and Mahle Motosports have come out with a 130 ci  flat top piston for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome to get the compression up to 11.43 to 1 with a stock 88cc 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. Can be used with S&S 4.250 M8 cylinders for a 4.280 .030 overbore.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
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.
  • 3mm low tension oil rings.
  • Piston weight 528g

part #: SS085280F01

retail price: $469.95  

Pricing and availability subject to change without notice.

Harley-Davidson Pistons


SUBURBAN SPEED MILWAUKEE EIGHT 131 CI FLAT TOP PISTONS

Suburban Speed and Mahle Motosports have come out with a 131 ci FLAT TOP piston for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome. These piston will work with the Screamin' Eagle 94cc Extreme Ported or stock chamber 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.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
Mahle pistons feature:

Compression with 88cc headsCompression with 94cc heads
.045 head gasket = 11.6.045 head gasket = 11.0
.040 head gasket = 11.7.040 head gasket = 11.13
.036 head gasket = 11.8.036 head gasket = 11.2
.030 head gasket = 12.0.030 head gasket = 11.35
  • 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.
  • 3mm low tension oil rings. 
  • Piston weight 542g

part #: SS085310F02

retail price: $389.95   

Pricing and availability subject to change without notice.

Harley-Davidson Pistons

NEW 

SUBURBAN SPEED MILWAUKEE EIGHT 114/117 TO 131 CI DISHED TOP SCREAMIN' EAGLE 10.71 COMPRESSION PISTONS

Suburban Speed and Mahle Motosports have come out with a 131 ci  dished 10.71 piston for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a -12cc inverted dome to get the compression to 10.71 to 1 or 10.9 to 1 with the stock Milwaukee Eight 88cc 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.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
Mahle pistons feature:

Compression with 88cc headsCompression with 95cc heads
.045 head gasket = 10.61.045 head gasket = 10.04
.040 head gasket = 10.71.040 head gasket = 10.13
.036 head gasket = 10.79.036 head gasket = 10.21
.030 head gasket = 10.92.030 head gasket = 10.32
  • 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.
  • 3mm low tension oil rings. 
  • Piston weight 542g

part #: SS085310I12

retail price: $416.95   

Pricing and availability subject to change without notice.

Harley-Davidson Pistons


SUBURBAN SPEED MILWAUKEE EIGHT 131 CI 8cc DOME HIGH COMPRESSION PISTONS

Suburban Speed and Mahle Motosports have come out with a 131 ci 12.0 to 1  high compression piston for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a +8cc dome. These piston will work with the Screamin' Eagle 94cc Extreme Ported or stock chamber 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.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
Mahle pistons feature:

Compression with 88cc headsCompression with 94cc heads
.045 head gasket = 12.69.045 head gasket = 11.98
.040 head gasket = 12.85.040 head gasket = 12.11
.036 head gasket = 12.98.036 head gasket = 12.23
.030 head gasket = 13.17.030 head gasket = 12.40
  • 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.
  • 3mm low tension oil rings. 
  • Piston weight 542g

part #: SS085310D08

retail price: $416.95   

Pricing and availability subject to change without notice.

Harley-Davidson Pistons


SUBURBAN SPEED MILWAUKEE EIGHT 131 CI 15cc DOME HIGH COMPRESSION BAGGER RACING PISTONS 

Suburban Speed and Mahle Motosports have come out with a 131 ci BAGGER RACING  high compression racing piston for your 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a +15cc dome. These piston will work with the Screamin' Eagle 94cc Extreme Ported or stock chamber 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.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
Mahle pistons feature:

Compression with 88cc headsCompression with 94cc heads
.045 head gasket = 13.66.045 head gasket = 12.82
.040 head gasket = 13.84.040 head gasket = 12.98
.036 head gasket = 13.99.036 head gasket = 13.11
.030 head gasket = 14.22.030 head gasket = 13.31
  • 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.
  • 3mm low tension oil rings. 
  • Piston weight 542g

part #: 0197905000

retail price: $416.95 

Pricing and availability subject to change without notice.

Harley-Davidson Pistons

SUBURBAN SPEED MILWAUKEE EIGHT 135 CI  FLAT TOP SCREAMIN' EAGLE 11.4 COMPRESSION PISTONS

Suburban Speed and Mahle Motosports have come out with a 135 CI for 4.625 flywheels 2017+ Harley-Davidson® Milwaukee Eight. These pistons have a -1.2cc dome to give a 11.3 to 11.6 to 1 with the Screamin' Eagle 94cc Extreme Ported Heads.  Unlike the Screamin' Eagle pistons these are not gas ported, which is better for street use. Pistons have stornger ring lands and will also accept square top rods. The valve pocket demension is 1.800 diameter and has a .200 depth for big valves and high lift cams. The same research and development has gone into these pistons as the rest of our pistons to give you the highest quality and reliability.
Suburban Speed - Mahle Pistons do not require rebalancing flywheels like some of our competitor pistons.
Mahle pistons feature:

Compression with 88cc headsCompression with 95cc heads
.045 head gasket = 11.92.045 head gasket = 11.3
.040 head gasket = 12.05.040 head gasket = 11.42
.036 head gasket = 12.15.036 head gasket = 11.52
.030 head gasket = 12.32.030 head gasket = 11.66
  • 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.
  • 3mm low tension oil rings. 
  • Piston weight 542g

part #: SS018310F02

retail price: $416.95   

Pricing and availability subject to change without notice.

Harley-Davidson Pistons

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