Thursday, July 1, 2010

Here at Wiseco, we work very closely with our sister company K1 Technologies, in Byron Center, Michigan. K1 makes connecting rod sets and crankshafts for the domestic and sport compact automotive and V-Twin markets. The staff at K1 is committed to providing race quality parts at an affordable cost while delivering world-class customer service. In 2008, Wiseco and K1 teamed up to offer rotating combinations for the automotive market.

One of K1 Technologies' newest connecting rod sets is for the LS stroker engine, designed for big cubic inch blower and nitrous applications. Even with standard cam location and base circle cams, engine builders can run up to 4.375” stroke without fear of clearance issues. As a side benefit, notching in the crankcase is minimized, increasing strength and ease of assembly. Need help with strokes larger than 4.375”? K1 can help the engine builder determine the proper base circle and lobe lift required to bolt your engine together.

As will all K1 connecting rods, these 4340 H beams have thick blades for increased strength and double bridged caps for less bore distortion. Along with the industry’s tightest gram weight, dimensional tolerances, and K1’s proprietary ARP 2000 material asymmetrical thread bolts for equal thread loading when stretched, K1 is the right choice. Contact K1's friendly sales associates at 616-583-9700 or visit them on the web at

Wiseco has quite the line-up of pistons for the LS motor. Most of our LS pistons are in our forged racing line, but we've just introduced a set of LS pistons in our sportsman line, Pro Tru®. Our PT124 series pistons are designed for use with the factory connecting rods, using .943" diameter pins. Our engineers have applied a small .090" dome to bump its compression up slightly from stock. Designed for nitrous use, the pistons feature a .280" top land and 2618 alloy. They are also designed with valve pockets to accommodate the LS1, LS2, LS3, LS6, and any cathedral port aftermarket cylinder heads. Pistons come with ArmorGlide® skirt coating and a skirt shape that has been developed after years of feedback, making these some of the best wearing, quietest forged pistons on the market. Our Pro Tru® piston kits come complete with rings, pins, and clips. The PT124 series pistons yield 10.7:1 to 11.2:1 compression. Find more information on the PT124 series from our sales team at 800-321-1364 or check out our website at

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