Join Date: Jan 2006
Location: Colorado Springs, CO.
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Diamond -26cc SCJ/OEM stroker pistons $749.95
Custom dual valve relief Diamond Racing stroker pistons, at an off-the-shelf price, are now available exclusively from CarsByCarl.
These pistons include the following features:
-Valve reliefs for OEM and SCJ/P-51 heads
-Internal milling for light weight (only 557 grams with 4.42 bore)
-Piston tops CNC machined to be free of sharp edges.
-Ideal for somebody building a stroker with OEM style heads that plans to upgrade to SCJ/P-51 heads in the future.
-4.390 to 4.440 diameters available
-1.345 Compression hieght
-2618 alloy for high horsepower applications
-4130 chrome moly .990 wrist pins (an upgrade over standard 8620 pins)
-Dual Spirolox wrist pin retainers
-1/16, 1/16, 3/16 ring pack
-Wrist pin does NOT intersect oil ring
Approximate compression ratios: (with 4.42 bore)
4.3 stroke / 95cc heads = 8.94:1
4.3 stroke / 75cc heads = 10.35:1
4.3 stroke / 72cc heads = 10.60:1
4.5 stroke / 95cc heads = 9.32:1
4.5 stroke / 75cc heads = 10.79:1
4.5 stroke / 72cc heads = 11.06:1
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Last edited by CarsByCarl; 03-11-2013 at 06:00 PM.