HOME
Product Index

900XP
Predator
250 Trail Blazer
400 Scr/TB
Outlaw
500 Scrambler
Sportsman & Other
RZR
Ranger

Exhaust
Clutch Parts
Engine Mods
Misc Parts
Air Filters
Tools
*Closeouts*
Sale Items
Terms

HPd® 29940 Hwy 169 NW, Princeton, MN 55371
Ph:
763-389-3336

Fax: 763-389-1474
 

REED VALVES / FLYWHEEL
LIGHTENING / ENGINE MOUNTS -

Performance Reed Valves


The dyno proves gains throughout the power band. Improved throttle response and acceleration. These performance reed valves use exclusive custom reed material and stops.


Polaris 400

PART # V2R131
• LIST $148.00

Qty:

 

416 PowerMaxx
For POWER MAXX 416 Cylinder only
.
PART # V2S130-1
• LIST $154.95

Qty:


Reed Spacer
Kit 400

THIS ITEM IS ON SALE!
$25.00!!

For Polaris 400 only. Increases horsepower and extends reed life. A must for big bores, to correct primary compression.

400 Polaris
PART # RSK
• LIST $37.00

$25.00
Qty:


Stainless Steel
Stock Size Valves for Predator

Stock Size, One Piece

Predator Exhaust Valve
PART # PRESSEV
• LIST $45.00

Qty:

Stock Size, One Piece

Predator Intake Valve
PART # PRESSINT
• LIST $45.00

Qty:


Stainless Steel
Oversize Valves for Predat
or

Oversize, One Piece

Predator Exhaust Valve
PART # PRESSEV+1
• LIST $45.00

Qty:

Oversize, One Piece

Predator Intake Valve
PART # PRESSINT+1
• LIST $45.00

Qty:


Flywheel Lightening

Flywheel not included ... send us your flywheel and HPD can dynamically spin balance your flywheel to .5 grams. Prices are for the labor to machine and balance your flywheel to race or trail specs.

400 Trail Lightening
Removes 1 pound and keep the electric start. Responds noticeably faster than stock.

PART # LF
• LIST: $105.00

Qty:

400 Race Lightening
Removes electric start and lightens flywheel by 2.3 pound. Make engine rev extremely fast.

PART # LFR
• LIST $115.00

Qty:



Predator Flywheel Lightening

Removes one pound.
Must send your flywheel, bolts and sprag ring.

Predator 500 Flywheel Lightening
PART #PRELFR
• LIST $115.00

Qty:

 



KTM Flywheel Lightening

Lighten & Balance KTM Flywheel

You must send your flywheel in.

KTM Flywheel Lightening
PART #KTMLFR
• LIST $115.00

Qty:

 


RZR Valves

IN STOCK

1 Piece stainless steel intake and exhaust valves. Available in stock size

Stock size INTAKE
PART #RZRINS
• LIST $28.00 ea

Qty:

Stock size EXHAUST
PART #RZREXS
• LIST $28.00 ea

Qty:


 

Heavy Duty
Engine Mounts
80 Durometer
For Performance or Race Engines

Heavy Duty mounts should be used on performance machines to keep the engine in correct alignment, making the clutches more efficient and a faster ATV.

Mounts are sold each (not in sets)

Rubber: 80 Durometer
PART # 32-80-HD
• LIST $26.00 each

Qty:

NOTE: Mounts are sold each (not in sets). 250s and 400s require 3 mounts. (Not for use on 500s.)

Top of Page