Engine Archives - Darkside Custom Harleys

View Cart

Add to cart / Details

CP Carrillo – Conrods – Twin Cam

$2,035.95

Upgrade your conrods to a forged set from CP Carrillo. Specs as follows:

Manufacturer Part No: PSR6161
Fully CNC machined
Balanced to +/- 1g
Designed for maximum performance, horsepower & reliability
Complete kit includes 2 x conrods
Suitable for Twin Cam models 2007 - 2017

PLEASE NOTE:

Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

CP Carrillo – Conrods – Milwaukee 8

$2,035.95

Upgrade your conrods to a forged set from CP Carrillo. Specs as follows:

Manufacturer Part No: PSR10087
Fully CNC machined
Balanced to +/- 1g
Designed for maximum performance, horsepower & reliability
Complete kit includes 2 x conrods

PLEASE NOTE:

Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

CP Carrillo – Conrods – V-Rod

$2,035.95

Upgrade your conrods to a forged set from CP Carrillo. Specs as follows:

Manufacturer Part No: car-PSR5367
Fully CNC machined
Balanced to +/- 1g
Designed for maximum performance, horsepower & reliability
Complete kit includes 2 x conrods

PLEASE NOTE:

Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

DarkSide – Pistons With 11.5:1 Ratio – V-Rod

$1,490.00

After very extensive research & development we have collaborated with 'Nitto Performance Engineering' to develop our own forged pistons for your V-Rod. Used in all of our in-house forged motor builds & proven to withstand over 250HP with ease. Those bikes that leave our shop & run 9 second passes? They run these... & so should you!

Manufacturer Part No: DS-VR-4134
Designed in collaboration with 'Nitto Performance Engineering' & manufactured by CP Carrillo
Fully CNC machined & forged from high strength alloy
Balanced to +/- 1g
Designed for & used in all of our high performance V-Rod builds including naturally aspirated, Supercharged & Turbo charged
Complete kit includes 2 x pistons, ring sets, wrist pins & gudgeon pins
Suitable for VRSC models 2008 - 2017

PLEASE NOTE:

Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

DarkSide – Conrods – V-Rod

$1,490.00

After very extensive research & development we have collaborated with 'Nitto Performance Engineering' to develop our own forged conrods for your V-Rod. Used in all of our in-house forged motor builds & proven to withstand over 250HP with ease. Those bikes that leave our shop & run 9 second passes? They run these... & so should you!

Manufacturer Part No: DS-VR-145
Fully CNC machined
Designed for & used in all of our high performance V-Rod builds
Stock length suitable for OEM or forged pistons
Complete kit includes 2 x conrods

PLEASE NOTE:

Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

Fitzgerald Motorsports – Hellraiser Camshafts – V-Rod

$1,490.00

Manufactured by Fitzgerald Motorsports out of billet forged steel & designed to suit 2002 - 2017 V-Rod models. Specs: Net Lift - Intake .490 & Exhaust .470 Duration - Intake .050 & Exhaust .250 We've seen incredible gains using these cams & they've proven to be a better replacement than the Screamin' Eagle cams previously offered. Depending on the health of your motor you can expect gains of 10-15% after dyno tuning. Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

Feuling – Oil Pump & Cam Plate Kit – Milwaukee 8

$1,439.95

Upgrade your factory cam plate & oil pump to these high performance versions manufactured by Feuling. Used in many DarkSide high performance Milwaukee 8 builds.

Manufacturer Part No: 7196
Billet 6061 aluminium high volume oil pump
Billet 7075 aluminium anodised high performance cam plate
Increases oil pressure, oil volume, engine oil flow & return oil scavenging
May reduce wet sumping & oily air cleaners
Fits oil cooled Milwaukee 8 models

PLEASE NOTE:

Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

S&S – Oil Pump & Cam Plate Kit – Milwaukee 8

$1,409.95

Upgrade your factory cam plate & oil pump to these high performance versions manufactured by S&S. Used in many DarkSide high performance Milwaukee 8 builds.

Manufacturer Part No: 310-0998B
Both cam plate & oil pump are precision machined from billet aluminium with a blue anodised finish
Cam plate has removeable passage plugs for servicing
Oil pump has independent scavenge sections for flywheel cavity & cam chest
Unit has debris screens in both scavenge pickups with approx. 44% increased flow capacity on feed & approx. 58% on scavenge
Adjustable pressure relief valve
Fits oil cooled Milwaukee 8 models

PLEASE NOTE:

Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

CP Carrillo – Pistons With 12.0:1 Compression Ratio – V-Rod

$1,399.95

Upgrade your pistons to a forged set from CP Carrillo. Specs as follows:

Manufacturer Part No: M5090-12
Bore: 4.134in.
Stroke: 2.835in.
Fully CNC machined & forged from high strength 2618 alloy
Balanced to +/- 1g
Double forced pin oilers
Designed for maximum performance, horsepower & reliability
Complete kit includes 2 x pistons, ring sets, wrist pins & clips
12.0:1 is a higher compression rate than standard (11.5:1) & suitable for stock bore, stock stroke motors

PLEASE NOTE:

Follow ring end gap & piston to cylinder clearances as per supplied CP Carrillo instructions
Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

CP Carrillo – Pistons With 14.0:1 Compression Ratio – V-Rod

$1,399.95

Upgrade your pistons to a forged set from CP Carrillo. Specs as follows:

Manufacturer Part No: M5090-14
Bore: 4.134in.
Stroke: 2.835in.
Fully CNC machined & forged from high strength 2618 alloy
Balanced to +/- 1g
Double forced pin oilers
Designed for maximum performance, horsepower & reliability
Complete kit includes 2 x pistons, ring sets, wrist pins & clips
14.0:1 is a higher compression rate than standard (11.5:1) & suitable for stock bore, stock stroke motors

PLEASE NOTE:

Follow ring end gap & piston to cylinder clearances as per supplied CP Carrillo instructions
Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

CP Carrillo – Pistons With 14.0:1 Compression Ratio – V-Rod

$1,399.95

Upgrade your pistons to a forged set from CP Carrillo. Specs as follows:

Manufacturer Part No: M5078-14
Bore: 4.134in.
Stroke: 3.085in.
Fully CNC machined & forged from high strength 2618 alloy
Balanced to +/- 1g
Double forced pin oilers
Designed for maximum performance, horsepower & reliability
Complete kit includes 2 x pistons, ring sets, wrist pins & clips
14.0:1 is a higher compression rate than standard (11.5:1) & suitable for stock bore stroker motors

PLEASE NOTE:

Follow ring end gap & piston to cylinder clearances as per supplied CP Carrillo instructions
Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

CP Carrillo – Pistons With 14.0:1 Compression Ratio – V-Rod

$1,399.95

Upgrade your pistons to a forged set from CP Carrillo. Specs as follows:

Manufacturer Part No: M5079-14
Bore: 4.250in.
Stroke: 3.085in.
Fully CNC machined & forged from high strength 2618 alloy
Balanced to +/- 1g
Double forced pin oilers
Designed for maximum performance, horsepower & reliability
Complete kit includes 2 x pistons, ring sets, wrist pins & clips
14.0:1 is a higher compression rate than standard (11.5:1) & suitable for big bore stroker motors

PLEASE NOTE:

Follow ring end gap & piston to cylinder clearances as per supplied CP Carrillo instructions
Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

Feuling – ARP Cylinder Stud & Head Bolt Kit – Milwaukee 8

$999.95

Upgrade your factory cylinder studs & head bolts to these high performance versions manufactured by ARP for Feuling. Used in all DarkSide high performance Milwaukee 8 builds.

Manufacturer Part No: 3024
Measurements: 7/16in. x 6.250in. (studs)
Heat treated 8740 chrome moly steel studs
Special alloyed stainless steel head bolts
Designed for maximum performance, horsepower & reliability
Reusable with precision J Form threads for optimum engagement to prevent galling & promote more consistent torque loading
Kit includes 8 x cylinder studs, 8 x head bolts, moly assembly lubricant & thread sealant

PLEASE NOTE:

Installation requires specific torque specs & methods

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

CP Carrillo – Pistons With 9.5:1 Compression Ratio – V-Rod

$989.95

Upgrade your pistons to a forged set from CP Carrillo. Specs as follows:

Manufacturer Part No: M5090
Bore: 4.134in.
Stroke: 2.835in.
Fully CNC machined & forged from high strength 2618 alloy
Balanced to +/- 1g
Double forced pin oilers
Designed for maximum performance, horsepower & reliability
Complete kit includes 2 x pistons, ring sets, wrist pins & clips
9.5:1 is a lower compression rate than standard (11.5:1) & suitable for boosted applications

PLEASE NOTE:

Follow ring end gap & piston to cylinder clearances as per supplied CP Carrillo instructions
Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

Feuling – ARP Head Bolt Kit – Milwaukee 8

$664.95

Upgrade your factory cylinder studs & head bolts to these high performance versions manufactured by ARP for Feuling. Used in all DarkSide high performance Milwaukee 8 builds.

Manufacturer Part No: FE-3007
12 point head bolts UHL 3.215
Special alloyed stainless steel head bolts
Designed for maximum performance, horsepower & reliability
Reusable with precision J Form threads for optimum engagement to prevent galling & promote more consistent torque loading
Kit includes 8 x head bolts, moly assembly lubricant & thread sealant

PLEASE NOTE:

Installation requires specific torque specs & methods

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Select options / Details

S&S – Quickee Adjustable Pushrods – Twin Cam

$569.95

When carrying out a camshaft &/or motor upgrade you'll need to upgrade your pushrods. These high performance versions manufactured by S&S are a great choice & are used in many DarkSide motor builds.

Manufacturer Part No: 930-0143 (Black) or 106-6051 (Chrome)
Designed for use with various lifters, cam lifts, & cylinder heights
Made from strong chromoly steel reducing flex
Installation can be completed without removing rocker box covers, simply cut stock pushrods out
Fits 1999-2017 Twin Cam
Kit includes 4 x pushrods, pushrod covers, o-rings & cover keepers

PLEASE NOTE:

Installation may require additional work depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Select options / Details

S&S – Quickee Adjustable Pushrods – Milwaukee 8

$569.95

When carrying out a camshaft &/or motor upgrade you'll need to upgrade your pushrods. These high performance versions manufactured by S&S are a great choice & are used in many DarkSide motor builds.

Manufacturer Part No: 930-0137 (Black) or 930-0123 (Chrome)
Designed for use with various lifters, cam lifts, & cylinder heights
Made from strong chromoly steel reducing flex
Installation can be completed without removing rocker box covers, simply cut stock pushrods out
Fits 2017-later Milwaukee 8
Kit includes 4 x pushrods, pushrod covers, o-rings & cover keepers

PLEASE NOTE:

Installation may require additional work depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

S&S – 475C Camshaft Kit – Milwaukee 8

$549.95

A very popular camshaft of choice among DarkSide motor builds from simple Stage 2 upgrades, right up to high HP boosted bikes.

Manufacturer Part No: 330-0641
Offering a huge gain over stock when paired with an exhaust, air filter, dyno tune & other supporting mods
Great lumpy idle & cruising note
Fits 2017-later Milwaukee 8
Kit includes 475 cam, cam bearing, cam cover gasket & o-rings

PLEASE NOTE:

Installation will require additional work & components depending on application
Bike will require full custom dyno tune after installation

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

Feuling – Lifters Race Series

$539.95

Upgrade your factory lifters/tappets to these high performance versions manufactured by Feuling. Used in many DarkSide motor builds.

Manufacturer Part No: 4050
Made from cold headed 1018 steel with heat treated hardened surface
CNC machined, precision ground & pressure tested
Designed for use with high lift camshafts & higher spring pressures in performance builds
Increases valvetrain stability & decreases valve float
Fits 2017-later Milwaukee 8
Fits 1999-2017 Twin Cam
Fits 2000-2021 Sportster
Kit includes 4 x hydraulic roller lifters/tappets

PLEASE NOTE:

Installation may require additional work depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

S&S – Precision Lifters

$509.95

Upgrade your factory lifters/tappets to these high performance versions manufactured by S&S. Used in many DarkSide motor builds.

Manufacturer Part No: 330-0718
Designed for use with camshafts offering a higher lift than OEM
Increases valvetrain longevity by optimising oil flow to top end
Reduces valvetrain noise from start up to shut down
Each lifter has a low mass, bearing grade, silicon nitride check ball & lighter check ball spring to enhance operation
Fits 2017-later Milwaukee 8
Fits 1999-2017 Twin Cam
Fits 2000-2021 Sportster
Kit includes 4 x hydraulic roller lifters/tappets

PLEASE NOTE:

Installation may require additional work depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

S&S – 55mm Intake Manifold – Milwaukee 8

$389.95

A very popular upgrade of choice among DarkSide motor builds from simple Stage 2 cam upgrades, right up to high HP boosted bikes.

Manufacturer Part No: 160-0241
Made from T6 heat treated cast aluminium replacing the stock plastic unit
Offering a great gain over stock power with supporting mods
Fits 2017-later Milwaukee 8
Kit includes intake manifold & seal

PLEASE NOTE:

Installation may require additional work & components depending on application
Bike will require full custom dyno tune after installation

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

Feuling – ARP Cylinder Stud Kit – Milwaukee 8

$369.95

Upgrade your factory cylinder studs to these high performance studs manufactured by ARP for Feuling. Used in all DarkSide high performance Milwaukee 8 builds.

Manufacturer Part No: 3027
Measurements: 7/16in. x 6.250in.
Heat treated 8740 chrome moly steel studs
Designed for maximum performance, horsepower & reliability
Reusable with precision J Form threads for optimum engagement to prevent galling & promote more consistent torque loading
Kit includes 8 x cylinder studs

PLEASE NOTE:

Installation requires specific torque specs & methods

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

Feuling – Lifters HP+

$349.95

Upgrade your factory lifters/tappets to these high performance versions manufactured by Feuling. Used in many DarkSide motor builds.

Manufacturer Part No: 4000
CNC machined, precision ground & pressure tested
Designed for use with camshafts offering a higher lift than OEM
Increases valvetrain longevity by optimising oil flow to top end
Fits 2017-later Milwaukee 8
Fits 1999-2017 Twin Cam
Fits 2000-2021 Sportster
Kit includes 4 x hydraulic roller lifters/tappets

PLEASE NOTE:

Installation may require additional work depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

Cometic – 0.027in. Head Gaskets – V-Rod

$194.95

High performance multi-layered steel head gaskets, as used in all DarkSide high performance V-Rod builds. Specs as follows:

Manufacturer Part No: C9203
Bore: 4.134in.
Thickness: 0.027in.
Comprised of multiple embossed layers of stainless steel with the outer layers utilising a viton rubber coating

PLEASE NOTE:

Installation may require additional components or machine work depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

Cometic – 0.030in. Head Gaskets – V-Rod

$194.95

High performance multi-layered steel head gaskets, as used in all DarkSide high performance V-Rod builds. Specs as follows:

Manufacturer Part No: CG-C9203-030
Bore: 4.134in.
Thickness: 0.030in.
Comprised of multiple embossed layers of stainless steel with the outer layers utilising a viton rubber coating

PLEASE NOTE:

Installation may require additional components or machine work depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.

View Cart

Add to cart / Details

S&S – Tappet Cuffs – Milwaukee 8

$159.95

A very popular upgrade of choice among DarkSide motor builds from simple Stage 2 cam upgrades, right up to high HP boosted bikes.

Manufacturer Part No: 330-0655
Made from billet aluminium & then anodised black for durability
Stronger material over OEM plastic cuffs, preventing distortion & improving tappet stability at high RPM
Fits 2017-later Milwaukee 8
Kit includes intake 2 x tappet cuffs & gaskets

PLEASE NOTE: