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Instruction Sheets for Part Number SUM-326S43785-7F
Technical Articles for Part Number SUM-326S43785-7F
Summit Racing™ Pro LS Forged Pistons SUM-326S43785-7F
Part Number: SUM-326S43785-7F
Summit Racing™ Pro LS Forged Pistons
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
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Estimated Ship Date from Texas: Today Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SUM-326S43785-7F
Part Type:
Product Line:
Summit Racing Part Number:
SUM-326S43785-7F
UPC:
190861242791
Piston Rings Included:
No
Bore (in.):
3.785 in.
Bore (mm):
96.140mm
Stroke:
3.622 in.
Engine Stroke Type:
Stock
Rod Length:
6.098 in.
Piston Style:
Dish, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.326 in.
Piston Head Volume (cc):
+7.00cc
Wrist Pin Style:
Floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.943 in.
Piston Ring Thickness:
1.50mm x 1.50mm x 3.00mm
File Fit:
No
Gapless:
No
Remanufactured:
No
Quantity:
Sold individually.
Summit Racing™ Pro LS Forged Pistons
The Summit Racing Pro LS forged pistons are affordable and built to withstand the rigors of high boost and nitrous. These pistons are forged from Premium 2618 alloy - the strongest made. They have specially profiled piston skirts, which allow them to run a tight piston-to wall-clearance for maximum ring seal and minimal friction. They have many other high-tech features too!
• Maximum ring-land thickness for power-adders
• Dedicated forgings for the best strength-to-weight ratio
• Multiple compression ratios specifically targeted for 4.8L, 5.3L, 5.7L, and
6.0L engines
• Designed around Premium file fit rings with Gas-Nitride or Plasma steel tops
and ductile Napier second rings
• Available in versions for Gen. 3 Press-fit, Gen. 4 Floating, and Aftermarket
6.125 rods
• Standard and Stroker versions available
• Generous valve reliefs that work with both Cathedral port AND Rectangle
port heads
• Pressure-fed pin-oiling
• Pressure seal groove in 2nd ring land for increased seal.
• High-Speed brush deburring to remove sharp edges that cause detonation
• Ultra-Modern 2.250 pin forgings clear the reluctor rings with stroker cranks
• Durable Chromium Steel wristpins.
• Replacement Singles Available
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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