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TFI Power Box EFI Fuel Controllers

139 partsFree shipping over $100Most ship in 1 to 5 business days

TFI Power Box EFI fuel controllers designed to adjust fueling for improved throttle response and stronger performance, especially when paired with aftermarket exhaust upgrades. Find the right TFI Power Box for your machine and dial in fueling for your setup.

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ATV

TFI Power Box

Polaris Sportsman 700 (05-14)

Part # 40-R54B

$560.62

UTV

TFI Power Box

Yamaha Wolverine / R-Spec / EPS (16-18)

Part # 40-R57F

$522.08

ATV

TFI Power Box

Suzuki LTZ 400 Quadsport (09-14)

Part # 40-R63

$522.08

ATV

TFI Power Box

Can Am Outlander 800 R / XT (06-15)

Part # 40-R51A

$560.62

UTV

TFI Power Box

Can Am Commander 1000 (14-19)

Part # 40-R51G

$580.08

UTV

TFI Power Box

Yamaha Rhino 700 (08-14)

Part # 40-R57C

$522.08

UTV

TFI Power Box

Can Am Defender HD10 (16-22)

Part # 40-R51J

$580.08

UTV

TFI Power Box

Polaris RZR 4 800 (11-14)

Part # 40-R54H

$560.62

ATV

TFI Power Box

Yamaha Grizzly 550 (09-15)

Part # 40-R57D

$522.08

UTV

TFI Power Box

Polaris RZR S 900 (15-19)

Part # 40-R54P

$580.08

UTV

TFI Power Box

Polaris RZR XP 1000 (18-22)

Part # 40-R54W

$580.08

UTV

TFI Power Box

Honda Pioneer 700 / 700-4 (15-17)

Part # 40-R52F

$560.62

UTV

TFI Power Box

Polaris RZR XP 900 / RZR 4 XP 900 (11-14)

Part # 40-R54I

$580.08

UTV

TFI Power Box

Polaris RZR 570 (12-19)

Part # 40-R54K

$522.08

UTV

TFI Power Box

Kawasaki Teryx 4 800 (14-21)

Part # 40-R53C

$580.08

UTV

TFI Power Box

Can Am Maverick 1000 (13-18)

Part # 40-R51G

$580.08

ATV

TFI Power Box

Suzuki King Quad 700 (05-07)

Part # 40-R56A

$522.08

UTV

TFI Power Box

Polaris RZR XP 1000 / RZR 4 XP 1000 (2014)

Part # 40-R54L

$580.08

UTV

TFI Power Box

Polaris Ranger XP 700 EFI (06-11)

Part # 40-R54D

$560.62

ATV

TFI Power Box

Can Am Renegade 800R (07-15)

Part # 40-R51A

$560.62

Street

TFI Power Box

Yamaha ZUMA 125 (09-15)

Part # 40-R70

$560.62

ATV

TFI Power Box

Polaris Sportsman 500 (06-13)

Part # 40-R54E

$522.08

UTV

TFI Power Box

Polaris RZR S 800 (09-10)

Part # 40-R54F

$560.62

Dirt Bike

TFI Power Box

Kawasaki KX 450F (09-18)

Part # 40-R81

$522.08

UTV

TFI Power Box

Polaris RZR 900 Trail (15-22)

Part # 40-R54P

$580.08

UTV

TFI Power Box

Yamaha Wolverine X4 (18-19)

Part # 40-R57J

$522.08

Sold out

ATV

TFI Power Box

Arctic Cat 700 H1 EFI (08-14)

Part # 40-R50E

$522.08

UTV

TFI Power Box

Polaris Ranger XP 800 EFI (11-14)

Part # 40-R54H

$560.62

Dirt Bike

TFI Power Box

Honda CRF 450R (09-18)

Part # 40-R80

$522.08

ATV

TFI Power Box

Honda Rincon 680 (06-14)

Part # 40-R52A

$522.08

UTV

TFI Power Box

Polaris General 1000 (16-21)

Part # 40-R54V

$580.08

UTV

TFI Power Box

Polaris Ace 325 (14-16)

Part # 40-R54R

$559.90

Sold out

ATV

TFI Power Box

Arctic Cat 700 EFI (NON-H1) (07-12)

Part # 40-R50

$522.08

Dirt Bike

TFI Power Box

Suzuki RM-Z 450 (08-19)

Part # 40-R82

$522.08

ATV

TFI Power Box

Can Am Renegade 500 (08-15)

Part # 40-R51C

$560.62

UTV

TFI Power Box

Polaris Ace 900 (16-19)

Part # 40-R54S

$580.08

UTV

TFI Power Box

Polaris RZR RS1 (18-21)

Part # 40-R54W

$580.08

Dual-Sport

TFI Power Box

Honda CRF 250L (17-19)

Part # 40-R65

$522.08

ATV

TFI Power Box

Honda Rincon 680 (15-19)

Part # 40-R52H

$522.08

ATV

TFI Power Box

Honda Rancher 420 IRS (2014)

Part # 40-R52B

$522.08

UTV

TFI Power Box

Polaris RZR Trail S 1000 (16-23)

Part # 40-R54O

$580.08

Dirt Bike

TFI Power Box

Yamaha YZ 450F (10-18)

Part # 40-R61

$522.08

ATV

TFI Power Box

Suzuki LT-R 450 Quadracer (06-10)

Part # 40-R56B

$560.62

UTV

TFI Power Box

Polaris RZR 4 800 (2010)

Part # 40-R54F

$560.62

UTV

TFI Power Box

Can Am Commander 1000 (11-13)

Part # 40-R51F

$580.08

UTV

TFI Power Box

Polaris Ranger XP 900 (13-15)

Part # 40-R54M

$560.62

UTV

TFI Power Box

Can Am Commander 800 (14-19)

Part # 40-R51G

$580.08

ATV

TFI Power Box

Suzuki King Quad 450 (07-10)

Part # 40-R56A

$522.08

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