BIG GUN Rev Box

BIG GUN Rev Box

The Big Gun Rev Box is an affordable alternative to highly-priced, O.E.M. replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve.

Easy direct plug-in replacement to stock CDI box

Six-month limited manufacturer's warranty.

Select Your Part Number / Application

Part # Description / Fitment Price Av Add
TR-62-0571 REV BOX PREDATOR/OUTLAW 500 40-R10A
05-07 Predator 500
$175.99 $129.67 Out of Stock
06-07 Outlaw 500
07-11 Outlaw 525
08-10 Outlaw 450
TR-big40-R10 REV BOX PREDATOR 500 03-04 40-R10
03-04 Predator 500 (02)
$184.75 $140.58 In Stock
TR-big40-R11 REV BOX TRX450 04-05 40-R11
04-05 TRX450R
$184.75 $140.58 Out of Stock
TR-big40-R19 REV BOX RAPTOR 350 04-12 40-R19
04-12 YFM350R Raptor
$184.75 $140.58 Out of Stock
TR-big40-R19A REV BOX - RAPTOR 250 08-12 40-R19A
08-12 YFM250R Raptor
$184.75 $140.58 Out of Stock
TR-big40-R20 REV BOX TRX250EX 01-11 40-R20
01-11 TRX250EX/X SporTrax
$184.75 $140.58 Out of Stock
97-12 TRX250TM/TE FourTrax Recon
TR-big40-R21 REV BOX RAPTOR 50 04-08 40-R21
04-08 YFM50R Raptor
$184.75 $140.58 In Stock