Yamaha Road Star
Performance Engine Parts

Road Star Performance Pistons

Proprietary part designed by PR and mfg by JE.10.25:1 Hi-Comp Piston Kit for stock bore Road Star 98 & 102 CI models. Kit comes complete with pistons, rings, wrist pins and clips. Stronger performance throughout the rev range. No hassles with other modifications. These just drop right in and you’re ready to go.

3002, 3003

Road Star Big Bore Kits (re-plated)

This Big Bore Kit has been developed to dramatically increase the performance of your engine. Send us your cylinders and we will bore & hone to 108 CI then “replate” them. PR will then custom repaint cylinders and (custom highlight all fin edges on Midnight Star model). Kit comes complete with oversize piston kit (pistons, rings, wrist pins and clips) and oversize head gaskets. “Stock” base gaskets not included.

3820, 3830

Road Star Big Bore Kits

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. 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! Application for Road Star models.

3018, 3019, 3820, 3016, 3017

Road Star Flat Tappet Cam Kit

Originally developed in 1999 and perfected over the years. All parts in this cam kit are proprietary and cannot be mixed and matched with other stock or aftermarket parts. Complete kit comes with hard weld cams, ceramic faced hydraulic lifters and adjustable aluminum push rods. 400 lift / 238 duration. Kit must be used with PR Hi-Lift Spring Kit (shown below). Kit requires (good, stock) cam core exchange or a $400.00 core charge deposit.

102 CI Engine

Sug. Retail $1399.95 PCS Price $1389.95

3043,3044

Core charge is 90% refundable (for 30 days) upon receipt of good stock cores. 50% refundable if good stock cores are received (31 – 60 days). No refund is given if cores are not received after 60 days.

Road Star Valve Spring Kits

Custom Patrick Racing heavy duty hi-lift springs. Kit includes inner and outer springs, lowers and titanium retainers. American made for the best performance possible. A must when using the PR Cam Kit (shown above).

3045,3046

Road Star Billet Push Rod Tubes

Sold in pairs. These collapsible push rod tubes make push rod adjustments a breeze. No need to take apart the top end anymore to make a simple adjustment. Tubes gently pull apart for adjustment and then snap back in place when done. Not only are they practical, but also have a custom look that turns heads. CNC machined from billet aluminum with a brushed machine finish. O-rings included.

3051,3052,3054,3055

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