Parts Catalog - M8 - Cylinder Heads | Suburban Motors Harley-Davidson

Cylinder Heads - M8

SUBURBAN SPEED STAGE I PORTED HEADS

SUBURBAN SPEED Stage I M8 Ported Heads are a great entry level performance cylinder heads for 2017-UP Milwaukee Eight. These heads utilize our patented superstock valve job with extensive bowl blending. We have increased the air flow and velocity 12% for great throttle response. The valve springs are also upgraded for a max lift of .560. Great heads for 114 to 130 cubic inch engines. These heads have produced over 130 hp and 140 torque. All of our heads are flow bench tested to ensure the performance of the heads.

$999.95 EXCHANGE

Harley-Davidson Cylinder Heads

SUBURBAN SPEED STAGE II CNC PORTED HEADS

SUBURBAN SPEED Stage II M8 Ported Heads have revised intake and exhaust port shapes and are designed to really step up the performance on your 114 to 130 cubic inch M8 engine.These heads utilize our patented superstock valve job with extensive bowl blending and port work. We have increased the air flow on the intake over 17%, and over 20% on the exhaust. Heads will make over 148 hp and 148 ft/lbs torque on 124 to 130 cubic inch engines. Stage II heads have valve springs that will accept up to .560 lift. All of our heads are flow bench tested to ensure top performance of all heads.

$1699.95 EXCHANGE

Harley-Davidson Cylinder Heads

MILWAUKEE EIGHT ADJUSTABLE ROCKER ARMS

   These adjustable rocker arms are designed to get the proper valve tip contact.

They correct misaligned rocker shaft pedestal height and valve tip height.

RR INT,  RF EXH Part # 17300069  $47.56

RF INT,  RR EXH Part # 17300070  $47.56

Harley-Davidson Cylinder Heads

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 -UP 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.
  • 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.
  • .054 plasma moly top rings, .054  cast second rings.
  • .123 low tension oil rings.

PRICE $1399.21

Harley-Davidson Pistons

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