Cylinder Heads - Twin Cam

SUBURBAN SPEED STAGE 1 PORTED HEADS

These are great entry level performance heads for the 2014 Trike and Ultra Limited. These heads have 1.900 intake valve and a 1.570 exhaust valve with a 1.650 intake port opening. These heads work well with up to 110 ci engines. Stage 1 heads on a 2016 107 ci twin cam produce 120HP with mild cams, a stock throttle body, and mild compression. Valve spring are good up to .600 lift. All Suburban Speed performance heads are dyno and flow bench tested to give you the most performance for your money.

Heads flow 260cfm at .600 lift.
Stock flow 216cfm at .600 lift.

(Exchange)
Price $899.95

Harley-Davidson Cylinder Heads

"NEW" 2014 TWIN COOLED PORTED HEADS

Stage 1 ported heads

These are great entry level performance heads for the 2014 Trike and Ultra Limited. These heads have 1.900 intake valve and a 1.570 exhaust valve with a 1.650 intake port opening. These heads work well with up to 117 ci engines. Stage 1 heads on a 2016 107 CID Twin Cam produce 15HP with mild cams, a stock throttle body, and mild compression. Valve spring are good up to .600 lift. All Suburban Speed performance heads are dyno and flow bench tested to give you the most performance for your money.

Heads flow 260cfm at .600 lift.
Stock flow 216cfm at .600 lift.

(Exchange)
PRICE $899.99

Harley-Davidson Cylinder Heads

SUBURBAN SPEED STAGE 1 CNC PORTED HEADS

These are great entry level CNC performance heads at a great price. These heads have a 1.900 intake valve and a 1.57 exhaust valve with a 1.650 intake port opening. These heads work well on engines up to 117 ci. Stage 1 heads on a 07 & up 107 ci twin cam make over 120 hp with our 634 cam's and 55mm throttle body. Valve springs are good up to .650 lift. All of SUBURBAN SPEEDS heads are dyno and flow bench tested to give you the most performance for your money.

Heads flow 270cfm at .600 lift.
Stock flow 216cfm at .600 lift.

(Exchange)
Regular Price $899.95

Harley-Davidson Cylinder Heads
Harley-Davidson Cylinder Heads

SUBURBAN SPEED STAGE 2 CNC PORTED HEADS "NEW"

Our new STAGE II CNC 2.0 ported heads with revised port shapes are designed to step up the performance of your 110" to 131" ci engine. These heads have a 2.0 intake valve with a 1.57 exhaust valve, and a 1.800 intake port opening. Comes with our high performance silicon alloy dual valve springs with up to .650 lift. All of our heads have been flow bench and dyno tested to give you the most performance for your money.

Regular Price $1199.95
NEW CASTINGS (non exchange) $1789.95

Harley-Davidson Cylinder Heads

SUBURBAN SPEED SCREAMIN' EAGLE 110 ci CVO STAGE "1" PORTED HEADS

Our screaming' eagle 110 stage "1" come with a multi angle intake and radius super stock valve job, intake & exhaust bowl blending and are milled .010 to assure proper gasket sealing. Heads flow over 300 cfm. Valve sizes are 2.120 intake and 1.620 exhaust. We can work your heads or you can do our head exchange program.

(Exchange)
Regular Price $899.95
TWIN COOLED PRICE $899.95

Harley-Davidson Cylinder Heads

SUBURBAN SPEED BEEHIVE SPRING KIT

Manufactured from reverse wound chrome silicon alloy and specifically engineered to reduce harmonics and control spring surge. Springs have a 130 psi @ 1.800 and 310 psi at 1.200. With coil bind of 1.080 A perfect choice for cams up to .600 lift.

Fits EVO & Twin Cam with 5/16 valves

#SS-SK0001
REGULAR PRICE $123.55

Harley-Davidson Cylinder Heads

SUBURBAN SPEED BEEHIVE SPRING KIT

All of our behive valve spring kits feature a high-tech chrome silicon alloy to help eliminate valve float, fatigue and tension loss. Springs have 155 psi @ 1.840 and 395 psi @ 1.180 with coil bind of 1.070. A perfect choice for cams with lift up to .660 lift Fits EVO & Twin Cam with 5/16 valves.

#SS-SK0005
Regular Price $171.66

Harley-Davidson Cylinder Heads

SUBURBAN SPEED BEEHIVE SPRING KIT

All of our beehive valve spring kits feature a high-tech chrome silicon alloy to help eliminate valve float, fatigue and tension loss. Springs have 155 psi @ 1.840 and 395 psi @ 1.180 with coil bind of 1.070. A perfect choice for cams with lift up to .660 lift fits Twin Cam with 7mm valves.

#SS-SK0006
Regular Price $157.99

Harley-Davidson Cylinder Heads

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 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.
  • .053 plasma moly top rings, .053  cast second rings.
  • 3mm low tension oil rings. 

SS148310F01 $459.95
Piston wt. 528 grams

Harley-Davidson Pistons

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