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+ 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 145 hp and 150 torque. All of our heads are flow bench tested to ensure the performance of the heads.

$999.95 EXCHANGE

Pricing and availability subject to change without notice.

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 152 hp and 152 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.

$1799.95 EXCHANGE

Pricing and availability subject to change without notice.

Harley-Davidson Cylinder Heads

Contact Us

Store Hours

Monday 
Tuesday 
Wednesday 
Thursday 
Friday 
Saturday 
Sunday 

Connect