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350 Heavy Duty 23º Flat Top

Engineered for Extreme Duty Alcohol and Nitrous applications these pistons are perfect for drag race, ASCS and Sprint Car engines. Valve pockets are designed to work with Pro Action/Pro Topline 23º, Brodix 11X and angle milled cylinder heads and a 2.750" pin provides added stability to absorb heavy loading. Offered in .005" and .010" overbores to accommodate new aftermarket cylinder blocks. Ring grooves are machined for 1/16, 1/16, 3/16 rings.

Pin# 927-2750-15-51S (130g)
Double Spiro Locks 927-042-CS
Double Pin Oilers
Accumulator Groove
350 Series
Std Bore: 4.000
Ring package designed for: 1/16, 1/16, 3/16 Rings

Click here to see matching JE Pro Seal Head Gaskets!

Tech and Installation Tips
Valve Relief Diagram
Part # CID Bore Stroke Rod
Head Cubic Centimeters
58cc 64cc 72cc
Compression Ratio
Footnote Oversize Recom.
Ring Set
217788 359 4.005 3.562 6.000 9.011 1.230 11.3 10.5 9.6 -4.8 434 M 0.005

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.

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