TSP X Traum L15B7 and L15CA Replacement Pistons

Description

L15B7
2017 – 2020 Honda Civic Si
2016 – 2021 Honda Civic 1.5T 6MT
2022 – 2024 Honda Civic 1.5T 6MT

L15CA
2022 – 2025 Honda Civic Si
2023 – 2025 Acura Integra 1.5T 6MT

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Specs (Metric):
Bore: 73.5
Stroke: 89.41
Rod: 141.00
Rod Ratio: 1.58
Block: 214.43
Deck: 0.03
CH: 28.70
Head Vol.: 26.0

Gasket Vol.: 3.0
Displacement: 1518.00
Gasket Dia.: 73.5
Gasket Tk.: 0.71
CR: 10.6:1
Dome Vol.: -9.82
Top Land: 6.85
2nd Land: 4.75
Fourth Land: 2.30
Top Ring: 1.00
2nd Ring: 1.20
Oil Ring: 2.00

Top End Gap: 0.48
Second End Gap: 0.48
Oil End Gap: 0.38

Top Radial: 2.90
2nd Radial: 3.10
Oil Radial: 2.80
Pin Dia.: 20
Pin Length: 50.80
Pin Keepers: Wire Lox
Weight: 236g
Class: 2618
Cyl. Dia.: 73.5
Piston Dia.: 73.42
Piston to Wall: 0.076
(Clearance to be measured at 1.000 below oil groove)

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