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 Roadstar engine without going through radical modifications. 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 1600cc & 1700cc Roadstar engines without going through radical modifications.
Note - Standard bore diameter:
1600 = 95 mm
1700/Warrior = 97 mm
These pistons are the result on a cooperation between Patrick Racing and JE Pistons and they upgrade the compression ratio to 10.25:1 for stronger performance throughout the rev. range. Kit comes complete with rings, wrist pins and clips.
Gaskets can be found here: http://tinyurl.com/yzjk92z
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.
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.
Years of experience enables Patrick Racing to offer you the best performance and value in custom headwork. Stage Two kit includes complete oversize valve application. PR will custom port and complete Serdi valve job. Throat your valve seats for oversize valve application and install (8) new 2mm oversize one-piece stainless intake/exhaust valves. Custom PR high lift spring kit with titanium retainers are also installed and included in this ultimate power package. Application for Roadstar 1600 & 1700 models.
Note - You will need to arrange to ship your heads to Hellriser Customs for this application. Free shipping not available for heads.