#4pistonracing

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Traditional 64mm Kinsler vs. a "shaftless" 64mm Kinsler that were built identical in dimension tested on a 4P 2.5L road race engine on our Superflow engine dyno.
I'm gonna lay all the cards on the table here...
PROS
-they close with throttle plate at only 5 deg and have superior idle characteristics and off idle control -they have a different throttle ratio and offer much more throttle control for street and road race cars -more airflow from the same size runner makes more power bottom to top
CONS
-they aren't cheap. Retail is around $4500. That may come down if production volume increases but right now I have the only ones. I'll sell the set from the dyno test for $3400. We can build these in a variety of sizes up to 67mm #4p #4piston #4pistonracing #KILL

4P Pro TSX in stock ships today. $1300 with core swap, $1600 no core required. #4p #4piston #4pistonracing #KILL

Track Day street K24 longblock getting ready for customer pickup in the morning #4piston #4pistonracing #4p #KILL

A little after hours on our street car to get ready for @ogs1320 FFLive #4p #4piston #4pistonracing #KILL

Evo 9 with the 4P Outlaw treatment #4P #4piston #4pistonracing #KILL #evo9

Baffles around our 4P oil pump on this 2.5L road race engine. This has our lightweight strutted Wiseco Piston, super strong I-beam endurance rod, CNC ported cylinder head and RR3 road race camshaft. Shipped today and onto the next 2.5L tomorrow! #4p #4piston #4pistonracing #KILL

Another beautiful Sunday... #4piston #4pistonracing #vegasrobania #cuban

Titanium valve Peacemaker sent out last week!!!!! 38mm valve kickin ass and takin names. #4piston #4pistonracing

MOST RECENT

While im crippled at home my big brody @lowbudgetbee making sure my engine is coming along nicely 💪🏼😂😂 (swipe) #lowbudgettuning #ciscotech #bradonisgay#600whp#11.50index #ariaspistons #grprods #4pistonracing #ferreavalves #cylindersupportsystem #css #kserieslife#cheapborg67mm#allmotor

Track Day street K24 longblock getting ready for customer pickup in the morning #4piston #4pistonracing #4p #KILL

Look what came in the Mail today 🤔 #sonicwrath #4pistonracing

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