- Move the mouse over the thumbnail to see bigger pictures.
- To see the shipping cost, if any, just add the items to the shopping cart and then enter your zip code.
- The wrenches "
" indicate the difficulty level for installing the product. - Can't find what you're looking for? Click here to send us and an email
Patrick racing High compression pistons have been the reference standard for performance improvement for the Roadstar for years. These pistons are the proven way to immediately boost the performance of the 1700cc Warrior engine without going through radical modifications.
These pistons are the result on a cooperation between Patrick Racind and JE Pistons and they upgrade the compression ration to 10.25:1 for stronger performance throughout the rev. range.
Note - Warrior = 97 mm bore diameter
Kit comes complete with rings, wrist pins and clips.
- Genuine K&N filters mount on billet velocity stacks
- Crankcase breather included
- Testing showed 13hp increase when used with Vance & Hines 2-into-1 pipe
- Kit includes everything needed for installation
This is it! Flat-tappet Cams from Patrick Racing will boost the performance of your Roadstar engine to the next level. Higher lift This is it! Flat-tappet Cams from Patrick Racing will boost the performance of your Roadstar engine to the next level. Higher lift and longer duration give you the max in cam modifications.
This kit includes new high-performance lifters and adjustable pushrods.
*Note - these cams must be used in conjunction with Patrick Racing High Lift Valve Springs and Patrick Racing H.C.Pistons
Your OEM cams serve as cores - send them to us before receiving your Patrick cams.Pay core fee if you don't want to send them in OR if they are not in reworkable condition due to damage and/or wear.
*Note - 3044 are the standard pushrods needed for the Roadstar 1700 & Warrior.
In stock
Years of experience enables Patrick Racing to offer you the best performance and value in custom modifications. This Big Bore Kit has been developed to dramatically increase the performance of your engine. Oversize liners are installed in (your) stock cylinders then precision bored and honed to 100mm (108ci) or 101mm (110ci). Kit comes complete with oversize piston kit (pistons, rings, wrist pins and clips) and oversize head gaskets. “Stock” base gaskets not included. You send us your cylinders and we’ll do the rest!
This is the same big bore kit that is uses on the AMA/Pro Star race bikes. Kit comes complete with PR Hi-Comp Piston Kit (100mm or 101mm) and oversized PR head gaskets.
Cylinders have to be sent to us for reboring and usually takes about 4-6 weeks.
Note: 3019-EU is parts only - pistons, rings, wrist pins, clips, oversize head gaskets, sleeves - for non-USA customers to have work done at local machine shop instead of sending them to us.
