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Discussion Starter · #1 ·
We have been getting a few inqueries for stroker motor kits. I just wanted to let everyone know that we now have a few new stroker motor options that are now available for Gen 2 Vipers:

510 CID

523 CID

552 CID

575 CID

We are building our first 523 and 552 CID motors right now and they are variations of the 510's we have been building successfully for years. We will report the dyno numbers when they are available. 575 CID is expensive but can be done for the guy who wants a Viper mountain motor.
 

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Discussion Starter · #10 ·
Here is the package for a complete 523 CID shortblock:

Custom Machined Factory Crankshaft (exchange)
JE Forged Aluminum Pistons
Moly Rings
JE Pro Forged Steel Wrist Pins
Manley Pro Forged Steel Rods
ARP Rod Bolts
Polydyn Coated Rod Bearings
Custom Machining of Block
Computer Balanced Rotating Assembly
Completely Assembled Short Block

We re-use your stock main bearings unless you have over 20,000 miles at which point we suggest new main bearings. For normally aspirated, we set compression at 11.0:1. List price for complete short block upgrade is $9,500 plus shipping. Special Viper Alley price is $8,500. Add $600 for a custom cam upgrade.

How much is 523 CID worth vs. 510 CID? Maybe 15 rw hp at the most. But in the NA game every few rw hp count.
 

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The all Motor class will be back in Bowling Green, looks like the all motor is going to become a very popular mod for the Viper
 
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