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S&S® TCSA 126" & 145" Engines Using S&S® SA Crankcases

For 1999-'06 Big Twins

E-mail or call 800-841-STAR


Star Racing is offering 4-3/8" bore large displacement S&S engines to racers, custom bike builders and the go-fast enthusiast. These engines have the same general specifications as the original Tribute 145 engines, but now are offered in a version for 1999-2006 chassis in two different strokes, 4-3/16" and 4-13/16". The TCSA 126" engines are available assembled or unassembled. Fuel system options include fuel injection, G-Extreme® or an S&S Super D carburetor. Fuel systems must be purchased separately. All S&S engines using TCSA crankcases are available through Star Racing (previously G2 Motor sports).

  • S&S 126" or 145" displacement engines
  • 126" (4.375" bore x 4.187" stroke)
  • 145" (4.375" bore x 4.813" stroke)
  • TCSA cases for 1984-'99 or 1999-'06 chassis
  • S&S oil pump for 1999-'06 big twins
  • .640 gear drive cams - 126"
  • .675 gear drive cams - 145"
  • Pressed together crankshaft assembly
  • Big Fin "B2" cylinder heads
  • Fuel injection, S&S Super D carburetor or G-Extreme (sold separately)
  • Available in natural, black wrinkle, black gloss, polished or diamond cut finishes
  • Assembled or unassembled
  • Taillight warranty

Click for more 126" photos or 145" photos

Call 800-841-STAR or e-mail for updated pricing & details.

S&S® TCSA LARGE DISPLACEMENT ENGINES
Displacement Bore Stroke Chassis Style Part No.
126" 4.375" 4.187" 1999-'06 big twin 31-8058
1984-'99 big twin 31-9758
145" 4.813" TC Mount (Call for fitment) 31-9754
Evo Mount (Call for fitment) 31-9755

 

 

 

See bike below

Hear what our customer has to say about his 170 rear wheel horsepower S&S 145" engine:

"I got out on the bike Sat. afternoon.

WOW ! What a beast! Acceleration

was effortless. I was cruising down the

road at 85 mph before I realized it.

What an incredible feeling. The best

part is knowing that it's nowhere near

its full potential. My need for speed

has been fulfilled. Thanks for all your help

and patience. You and everyone at

Star Racing did an excellent, excellent job.

Thanks again, Mike."

 



Customer bikes featuring the S&S 126" Engine
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Sammy Bonner's 145" as featured in American Iron Motorcycle Bagger Magazine
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Customer bikes featuring the S&S 145" Engine

Star Racing's 145" - best 1/4 mile time 10.20 @ 130 MPH, 200 RWH, stock belt, stock tranny

S&S 145" Bagger on Pass Time Show

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Star Racing's XR 145" Project Photos

Why an XR 145? Why two front heads? … Because we can!!

The XR style is cool. Two pipes coming out of the front of the heads and two intakes out of the rear of the heads look like the old XR 750 that Harley-Davidson raced for years. We wanted to try that idea on an S&S 145” engine.

We couldn’t decide whether we wanted to do two front heads or two rear heads, but we decided to try it with two front heads first. Maybe on the next project we’ll try it with two rear heads just for fun!

The results of these ideas became a very interesting motorcycle. It sounds different and looks different than any other Dyna we’ve ever seen, and the darn thing is STUPID FAST! It made 209 rear wheel horsepower and 190 ft. lbs. of torque at the tire when we dynoed it! We’re talking – POWER!

Click for full slideshow of our own XR 145" project from start to finish!
Scroll for dyno sheet
   
Star Racing's XR 145" Videos
First time we ever fired our XR145 with two front heads. We wanted to share this moment with you!
 
First dyno test run for our XR145 at more than 200 hp!!
Just a little taste of what's to come from our latest motorcycle project ... stay tuned for the full video.
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XR 145 Dyno Map

Click to view larger

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