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Summit Racing Equipment® Trapezoidal Tech Pro LST Pistons SUM-3264000-8TC
Part Number: SUM-3264000-8TC
Summit Racing Equipment® Trapezoidal Tech Pro LST Pistons
Pro LST 2618 Anodized+Coated+ Cerakote Forged Pistons, Cathedral/Rectangle Heads, 6.098 len./.945 pin Trapezoidal Rod, 4.000 Bore, 1.326 ht., 8cc Dome
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Estimated Ship Date from Ohio: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SUM-3264000-8TC
Part Type:
Product Line:
Summit Racing Part Number:
SUM-3264000-8TC
UPC:
190861335479
Piston Rings Included:
No
Bore (in.):
4.000 in.
Bore (mm):
101.600mm
Stroke:
3.622 in.
Engine Stroke Type:
Stock
Rod Length:
6.098 in.
Piston Style:
Dome, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.326 in.
Piston Head Volume (cc):
-8.00cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.945 in.
Piston Ring Thickness:
1.20mm x 1.20mm x 3.00mm
File Fit:
No
Gapless:
No
Top Ring Thickness:
1.2mm
Top Ring Material:
Steel
Top Ring Facing Material:
Gas nitrided
Second Ring Thickness:
1.2mm
Second Ring Material:
Steel
Oil Ring Thickness:
3.0mm
Oil Ring Material:
Steel
Oil Ring Tension:
Standard
Remanufactured:
No
Quantity:
Sold as a set of 8.
Notes:
Anodized 8cc dome piston for rectangle port or cathedral port cylinder heads. Piston has 1.326 compression height and is matched to Summit Racing™ trapezoidal 6.098 in. connecting rods only. Features coated skirts and cerakote heat barrier coating. For use with SUM-136SN9045005 rings
Summit Racing Equipment® Trapezoidal Tech Pro LST Pistons
Summit Racing Trapezoidal Tech Pistons and Connecting Rods are designed for high boost and high rpm and the first to be designed as a matching system. Compression and tension loads are analyzed to maximize the Wrist-Pin's required bearing area where it's needed most. The resulting pin is Shorter/Stiffer/Lighter and the piston becomes lighter and stronger as well.. This reduces loads on the rods, bearings and crank for increased durability and saves on balancing costs.
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Some parts are not legal for use in California or other states with similar laws / regulations
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