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Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons,
is the OEM supplier to KTM and numerous European motorcycle and go-kart
manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for
nearly any powersport use from motorcycles and ATVs to marine and karting.
Manufactured to the highest standards in Japan, Vertex’s piston rings are produced
by the OEM suppliers so that they are direct OEM replacements.Vertex is the choice
of those who truly seek the optimum in powersport performance in any application
VERTEX PISTON TYPES
• Replica: cast OE replica
• Race: unique cast GP style with only one compression ring
• Pro: forged replacement for a OE cast piston for better strength
• Replica BB: big bore stock compression cast piston
• Pro Replica: forged OE stock compression piston
• Pro BB: forged OE stock compression big bore piston
• Pro Race: unique forged GP style race piston with only one compression ring
• Pro HC: forged high compression pistons
Type
Version Year Description
Comp.
Ratio
Cyl
Bore
(mm)
Piston
Diam.
(mm)
Disp
Size
Over
STD
Top End
Piston
Kit
Part #
Piston
Kit
Part #
Repl
Ring(s)
Part #
Wrist
Pin
Part #
Circlip
Part #
ARCTIC CAT
DVX 400
FORGED
REPLICA
04-07 Top end piston kit includes: piston, rings, pins,
circlips, top end gaskets, and cam chain.
11.3:1 90 89.98 400
903135
DVX 400
FORGED
REPLICA
04-07 Top end piston kit includes: piston, rings, pins,
circlips, top end gaskets, and cam chain.
11.3:1 90 89.97 400
903136
DVX 400
FORGED
REPLICA
04-07 Top end piston kit includes: piston, rings, pins,
circlips, top end gaskets, and cam chain.
11.3:1 90 89.96 400
903137
DVX 400
FORGED
REPLICA
04-07 Top end piston kit includes: piston, rings, pins,
circlips, top end gaskets, and wrist pin bearing
when applicable.
11.3:1 90 89.98 400
901692
DVX 400
FORGED
REPLICA
04-07 Top end piston kit includes: piston, rings, pins,
circlips, top end gaskets, and wrist pin bearing
when applicable.
11.3:1 90 89.97 400
901691
DVX 400
FORGED
REPLICA
04-07 Top end piston kit; includes: piston, rings, pin,
circlips, top end gaskets, and wrist pin bearing
when applicable.
11.3:1 90 89.96 400
901690
DVX 400
FORGED
REPLICA
04-07 Replica Piston kit; Kit includes: Piston, rings, pin,
clips
11.3:1 90 89.96 400
901232 901640 901014 901683
DVX 400
FORGED
REPLICA
04-07 Replica Piston kit; Kit includes: Piston, rings, pin,
clips
11.3:1 90 89.97 400
901233 901640 901014 901683
DVX 400
FORGED
REPLICA
04-07 Replica Piston kit; Kit includes: Piston, rings, pin,
clips
11.3:1 90 89.98 400
901234 901640 901014 901683
DVX 400
FORGED BIG
BORE
04-07 Big Bore Piston kit; +1mm makes 407cc. Kit
includes: Piston, rings, pin, clips
11.3:1 91 90.96 407
1
901249 901642 901014 901683
DVX 400
FORGED BIG
BORE
04-07 Big Bore Piston kit; +2mm makes 416cc. Kit
includes: Piston, rings, pin, clips
11.3:1 92 91.96 416
2
901250 901643 901014 901683
DVX 400
FORGED BIG
BORE
04-07 Big Bore Piston kit; +4mm makes 440cc. Kit
includes: Piston, rings, pin, clips
11.3:1 94 93.95 440
4
901445 901645 901014 901683
DVX 400
FORGED BIG
BORE
04-07 Big Bore Piston kit; +4mm makes 440cc. Kit
includes: Piston, rings, pin, clips
11.3:1 94 93.96 440
4
901446 901645 901014 901683
DVX 400
FORGED BIG
BORE
04-07 Big Bore Piston kit; +4mm makes 440cc. Kit
includes: Piston, rings, pin, clips
11.3:1 94 93.97 440
4
901447 901645 901014 901683
DVX 400
FORGED BIG
BORE
04-07 Big Bore Piston kit; +4mm makes 440cc. Kit
includes: Piston, rings, pin, clips
11.3:1 94 93.98 440
4
901712 901645 901014 901683
DVX 400
FORGED
HIGH COMP
04-07 High Compression Piston kit; 13.5:1. Kit includes:
Piston, rings, pin, clips
13.5:1 90 89.95 400
901469 901640 901014 901683
DVX 400
FORGED
HIGH COMP
04-07 High Compression Piston kit; 13.5:1. Kit includes:
Piston, rings, pin, clips
13.5:1 90 89.96 400
901470 901640 901014 901683
DVX 400
FORGED
HIGH COMP
04-07 High Compression Piston kit; 13.5:1. Kit includes:
Piston, rings, pin, clips
13.5:1 90 89.97 400
901471 901640 901014 901683
DVX 400
FORGED
STROKER
04-07 Stroker Performance Piston kit; For use with Hot
Rods #4159. Std bore makes 430cc. Kit includes:
Piston, rings, pin, clips
11.3:1 90 89.94 430
901518 901640 901014 901683
DVX 400
FORGED
STROKER
04-07 Stroker Big Bore Piston kit; For use with Hot Rods
#4159. +2mm Makes 450cc. Kit includes: Piston,
rings, pin, clips
11.3:1 92 91.96 450
2
901539 901644 901014 901683
TRX 400EX FORGED
REPLICA
99-08 Top end piston kit includes: piston, rings, pins,
circlips, top end gaskets, and wrist pin bearing
when applicable.
9.3:1 85 84.95 400
901693
