Find parts for your machine

Rev Boxes

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

Shop Big Gun Over Rev Boxes (CDI boxes) designed to replace the stock CDI and increase RPM limit with an advanced timing curve for stronger throttle response. Find the right rev box for your ATV or off-road machine and unlock higher rev potential with a direct plug-in upgrade.

Add your machine to see only the parts that fit

Clear

Clear

Clear

Sold out

ATV

Rev Box

Honda TRX 400EX (99-04)

Part # 40-R01

Rated 1.0 out of 5, (1 reviews)

$185.14

ATV

Rev Box

Suzuki LTZ 400 Quadsport (05-08)

Part # 40-R02A

$269.35

ATV

Rev Box

Can Am DS 650 Baja (02-05)

Part # 40-R04

$269.35

ATV

Rev Box

Honda TRX 450R (04-05)

Part # 40-R11

$269.35

Dirt Bike

Rev Box

Yamaha TTR 125 / LEX / EX / LX (01-24)

Part # 40-R29

$269.35

ATV

Rev Box

Yamaha Raptor 50 (04-08)

Part # 40-R21

$269.35

Dirt Bike

Rev Box

Honda CRF 450R (04-06)

Part # 40-R16

$269.35

ATV

Rev Box

Honda TRX 400EX (05-07)

Part # 40-R22

$269.35

ATV

Rev Box

Yamaha Raptor 250 (08-12)

Part # 40-R19A

$269.35

ATV

Rev Box

Suzuki LTZ 400 Quadsport (03-04)

Part # 40-R02

$269.35

ATV

Rev Box

Polaris Outlaw 525 / S / IRS (07-11)

Part # 40-R31

$269.35

ATV

Rev Box

Kawasaki KFX 400 (05-07)

Part # 40-R02A

$269.35

ATV

Rev Box

Honda TRX 300EX (93-06)

Part # 40-R18

$269.35

ATV

Rev Box

Yamaha Raptor 80 (02-08)

Part # 40-R28

$269.35

ATV

Rev Box

Can Am DS 650 (00-02)

Part # 40-R06

$269.35

Dirt Bike

Rev Box

Honda CRF 230F (03-17)

Part # 40-R03

$154.54

ATV

Rev Box

Polaris Predator 500 (03-04)

Part # 40-R10

$269.35

ATV

Rev Box

Yamaha Raptor 660 (04-05)

Part # 40-R05C

$269.35

ATV

Rev Box

Polaris Predator 500 (05-07)

Part # 40-R10A

$269.35

ATV

Rev Box

Suzuki LTZ 90 Quadsport (07-26)

Part # 40-R02C

$336.77

ATV

Rev Box

Yamaha Raptor 90 (09-12)

Part # 40-R32

$336.77

ATV

Rev Box

Yamaha Raptor 660 (02-03)

Part # 40-R05B

$269.35

ATV

Rev Box

Can Am DS 650 (03-07)

Part # 40-R04

$269.35

Dirt Bike

Rev Box

Honda CRF/XR 100 (All Years)

Part # 40-R03

$154.54

Dual-Sport

Rev Box

Suzuki DR-Z 400S (01-07)

Part # 40-R07

$269.35

ATV

Rev Box

Yamaha Grizzly 660 (02-08)

Part # 40-R17

$336.77

ATV

Rev Box

Kawasaki KFX 400 (03-04)

Part # 40-R02

$269.35

ATV

Rev Box

Arctic Cat 500 (03-06)

Part # 40-R02

$269.35

ATV

Rev Box

Honda TRX 250EX / TE (01-11)

Part # 40-R20

$269.35

UTV

Rev Box

Kawasaki Teryx 750 (2008)

Part # 40-R09A

$336.77

Dual-Sport

Rev Box

Honda XR 400 (99-04)

Part # 40-R15

$269.35

ATV

Rev Box

Yamaha Warrior 350 (97-01)

Part # 40-R26A

$269.35

ATV

Rev Box

Yamaha Raptor 350 (04-13)

Part # 40-R19

$269.35

ATV

Rev Box

Suzuki LTZ 250 (04-09)

Part # 40-R02B

$269.35

ATV

Rev Box

Honda TRX 300EX (07-09)

Part # 40-R18A

$269.35

Dirt Bike

Rev Box

Yamaha YZ 450F (03-06)

Part # 40-R13

$269.35

Dual-Sport

Rev Box

Honda XR 650R (00-07)

Part # 40-R27A

$269.35

ATV

Rev Box

Kawasaki KFX 700 (04-09)

Part # 40-R09

$336.77

Dirt Bike

Rev Box

Honda CRF/XR 70 (All Years)

Part # 40-R03

$154.54

Dirt Bike

Rev Box

Honda CRF 450R (02-03)

Part # 40-R27

$269.35

ATV

Rev Box

Yamaha Warrior 350 (02-04)

Part # 40-R26

$269.35

ATV

Rev Box

Suzuki LTZ 50 Quadsport (07-26)

Part # 40-R02C

$336.77

ATV

Rev Box

Can Am DS 650 Baja (00-01)

Part # 40-R06

$269.35

Dirt Bike

Rev Box

Honda CRF 150F (2005)

Part # 40-R03

$154.54

Dirt Bike

Rev Box

Kawasaki KX 250F (2004)

Part # 40-R12

$269.35

Dirt Bike

Rev Box

Honda CRF 250R (2004)

Part # 40-R23

$269.35

ATV

Rev Box

Polaris Predator 90 (03-06)

Part # 40-R10G

$269.35

ATV

Rev Box

Polaris Outlaw 500 (06-07)

Part # 40-R10A

$269.35

Showing 48 of 78 parts

Find parts for your machine

Save your year, make and model and we show only what fits.

Your cart

×