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Free shipping to the continental 48 (Alaska & Hawaii orders, call to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free shipping to the continental 48 (Alaska & Hawaii orders, call to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!

PARTS

HORSEPOWER, INC 1022-0247 HPI-58D1-18B Max Flow™ Throttle Body - Black - Twin Cam - 58 mm

$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

Features Completely replaces OEM throttle body and manifold; fully compatible with OEM components Specifically designed for larger cubic inch motor...

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$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

HORSEPOWER, INC 1022-0246 HPI-58D1-76B Max Flow™ Throttle Body - Black - Twin Cam - 58 mm

$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

Features Completely replaces OEM throttle body and manifold; fully compatible with OEM components Specifically designed for larger cubic inch motor...

View full details
$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

HORSEPOWER, INC 1022-0248 HPI-58D6-76B Max Flow™ Throttle Body - Black - Twin Cam - 58 mm

$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

Features Completely replaces OEM throttle body and manifold; fully compatible with OEM components Specifically designed for larger cubic inch motor...

View full details
$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

HORSEPOWER, INC 1022-0249 HPI-58D6-18B Max Flow™ Throttle Body - Black - Twin Cam - 58 mm

$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

Features Completely replaces OEM throttle body and manifold; fully compatible with OEM components Specifically designed for larger cubic inch motor...

View full details
$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

HORSEPOWER, INC 1022-0242 HPI-51D1-16B Big Bore Throttle Body - Black - 51 mm - Twin Cam

$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

Features Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to ...

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$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

HORSEPOWER, INC 1022-0241 HPI-55MF6-18B Max Flow™ Throttle Body - Black - Twin Cam - 55 mm

$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

Features Completely replaces OEM throttle body and manifold; fully compatible with OEM components Specifically designed for larger cubic inch motor...

View full details
$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

HORSEPOWER, INC 1022-0243 HPI-55D1-16B Big Bore Throttle Body - Black - 55 mm - Twin Cam

$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

Features Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to ...

View full details
$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

HORSEPOWER, INC 1022-0244 HPI-51D6-16B Big Bore Throttle Body - Black - 51 mm - Twin Cam

$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

Features Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to ...

View full details
$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

HORSEPOWER, INC 1022-0237 HPI-55D1-18B Big Bore Throttle Body - Black - 55 mm - Twin Cam

$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

Features Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to ...

View full details
$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

HORSEPOWER, INC 1022-0245 HPI-55D6-16B Big Bore Throttle Body - Black - 55 mm - Twin Cam

$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

Features Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to ...

View full details
$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

HORSEPOWER, INC 1022-0236 HPI-51D1-17B Big Bore Throttle Body - Black - 51 mm - Twin Cam

$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

Features Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to ...

View full details
$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

HORSEPOWER, INC 1022-0238 HPI-51D6-17B Big Bore Throttle Body - Black - 51 mm - Twin Cam

$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

Features Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to ...

View full details
$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

HORSEPOWER, INC 1022-0239 HPI-55D6-18B Big Bore Throttle Body - Black - 55 mm - Twin Cam

$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

Features Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to ...

View full details
$784.95 - $784.95
$784.95
$784.95 - $784.95
$784.95

HORSEPOWER, INC 1022-0240 HPI-55MF1-18B Max Flow™ Throttle Body - Black - Twin Cam - 55 mm

$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

Features Completely replaces OEM throttle body and manifold; fully compatible with OEM components Specifically designed for larger cubic inch motor...

View full details
$884.95 - $884.95
$884.95
$884.95 - $884.95
$884.95

HORSEPOWER, INC 1022-0068 HPI-IF-6L Intake Flange Set - '06-'17 Twin Cam

$64.95 - $64.95
$64.95
$64.95 - $64.95
$64.95

Features CNC-machined 6061 billet aluminum construction Will not crack or warp like some forged flanges Made in the USA Specs Product Name Flange...

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$64.95 - $64.95
$64.95
$64.95 - $64.95
$64.95

HORSEPOWER, INC 0712-0269 HPI-OC-1 Oil Filter Mount - Polished

$169.95 - $169.95
$169.95
$169.95 - $169.95
$169.95

Note:For 99'-06' Twin Cam "A" motors (except 06' Dyna).Features 6061 billet aluminum construction with a polished finish Optimized oil passages flo...

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$169.95 - $169.95
$169.95
$169.95 - $169.95
$169.95

HORSEPOWER, INC 1009-0013 HPI-DPR-1 Fuel Pressure Regulator

$128.95 - $128.95
$128.95
$128.95 - $128.95
$128.95

Note:For '95-'98 Touring models with Magnetti Marelli EFI it will take fuel pressure from 62 PSI to 45 PSI.Features Engineered for a direct fit in ...

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$128.95 - $128.95
$128.95
$128.95 - $128.95
$128.95

HORSEPOWER, INC 1022-0069 HPI-IF-6E Intake Flange Set - '01-'05 Big Twin

$64.95 - $64.95
$64.95
$64.95 - $64.95
$64.95

Features CNC-machined 6061 billet aluminum construction Will not crack or warp like some forged flanges Made in the USA Specs Product Name Flange...

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$64.95 - $64.95
$64.95
$64.95 - $64.95
$64.95

HORSEPOWER, INC 1022-0083 HPI-D1NJ-1 Yellow Band Fuel Injectors - 6.2 gm/sec

$285.95 - $285.95
$285.95
$285.95 - $285.95
$285.95

Features Recommended for "Big Inch" engines with large plenums (120 hp or greater) 43% increase in flow over stock injectors Made in the USA Specs...

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$285.95 - $285.95
$285.95
$285.95 - $285.95
$285.95