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Build the G16E-GTS around the correct standard-rod piston geometry
CP-Carrillo SC7475-3 is the three-piston package for builders using the cataloged 87.51 mm bore, 10.5:1 compression ratio, 143.75 mm rod length, and 24 mm pin configuration. It is intended for the Toyota G16E-GTS engine and must be matched to the measured block, cylinder head, connecting rods, and intended boost level before machining begins.
Key Features
- CP-Carrillo SC7475-3: High-performance forged piston set engineered for the Toyota G16E-GTS three-cylinder engine
- 87.51 mm standard bore for the cataloged application
- 10.5:1 nominal compression ratio
- 24 mm piston pin diameter
- 143.75 mm standard connecting-rod length application
- 415 gram cataloged piston weight
- Set quantity matches the three-cylinder engine
Fitment
Use CP-Carrillo SC7475-3 only for the applications below. Confirm every listed qualifier and exclusion.
| Years | Make | Model | Details |
|---|---|---|---|
| 2023-2026 | Toyota | GR Corolla | G16E-GTS 1.6L turbo three-cylinder engine; 87.51 mm bore; 10.5:1 nominal compression ratio; 143.75 mm standard rod length; 24 mm piston pin; Excludes: Do not substitute the 147.75 mm long-rod, 22 mm pin configuration; Engine builder must verify final bore, piston-to-wall clearance, ring gap, deck height, compression ratio, and valve clearance |
| Configuration-specific | Verified applications | Forged Piston Set | Toyota GR Yaris GXPA16 with the G16E-GTS 1.6L turbo three-cylinder engine; 87.51 mm bore; 10.5:1 nominal compression ratio; 143.75 mm standard rod length; 24 mm piston pin; Excludes: Do not substitute the 147.75 mm long-rod, 22 mm pin configuration; Confirm the exact engine build dimensions before machining or assembly |
Specifications
| Detail | Value |
|---|---|
| Brand | CP-Carrillo |
| Manufacturer Part Number | SC7475-3 |
| Product Type | Piston Sets - Custom |
| Engine | Toyota G16E-GTS 1.6L turbo three-cylinder |
| Bore | 87.51 mm |
| Stroke | 89.70 mm |
| Rod Length | 143.75 mm |
| Compression Height | 33.90 mm / 1.334 in |
| Nominal Compression Ratio | 10.5:1 |
| Dome/Dish Volume | -0.57 cc |
| Piston Weight | 415 g |
| Piston Pin | 24 mm, catalog number 945-2500-19CP1C |
| Pin Locks | 945x073 SWL |
| Ring Set | CPT-3445PVD |
| Quantity | Set of three pistons |
What's Included
- Set of three forged pistons for CP-Carrillo SC7475-3
- 24 mm piston pins, catalog number 945-2500-19CP1C
- Piston pin locks, catalog number 945x073 SWL
- Piston ring set, catalog number CPT-3445PVD
- Not included: Connecting rods
- Not included: Head gasket and fasteners
- Not included: Machine work and engine assembly labor
- Not included: Long-rod 147.75 mm and 22 mm pin components
About CP-Carrillo
CP-Carrillo manufactures performance pistons and connecting rods in Irvine, California, using forged materials, CNC machining, and application-specific engineering. This G16E-GTS set is cataloged with its own piston, pin, lock, and ring references so an engine builder can verify the complete package before assembly.
Related Parts
- Select G16E-GTS connecting rods, bearings, head fasteners, and gasket components only after the engine builder confirms the 143.75 mm rod length, 24 mm pin, bore, deck height, and target compression ratio for this piston set.
FAQ
What is the SC7475-3?It is CP-Carrillo's forged three-piston package for the Toyota G16E-GTS engine using an 87.51 mm bore, 10.5:1 nominal compression ratio, 143.75 mm rod length, and 24 mm pin configuration.
Which Toyota engines use this piston set?This set is for the G16E-GTS 1.6L turbocharged three-cylinder engine used in the verified GR Corolla application and the GR Yaris GXPA16 application.
Is this the long-rod piston configuration?No. This set is cataloged for a 143.75 mm rod and 24 mm pin. It must not be confused with the 147.75 mm long-rod, 22 mm pin configuration.
What bore size is required?The cataloged bore is 87.51 mm. A qualified machine shop must measure the block and set the final piston-to-wall clearance to the current CP-Carrillo specification for the actual engine build.
What compression ratio does this set provide?The catalog lists a nominal 10.5:1 ratio. Actual compression depends on chamber volume, gasket thickness, deck height, machining, and the rest of the engine combination.
Are rings and pins included?The catalog identifies the CPT-3445PVD ring set, 24 mm pins under catalog number 945-2500-19CP1C, and 945x073 SWL locks for this three-piston package.
Can these pistons be installed without machine-shop measurements?No. Bore size, piston clearance, ring gap, deck height, piston-to-valve clearance, and final compression ratio must be measured for the exact engine before assembly.
Is this product CARB legal for California street use?Exact retailers identify this internal-engine performance part as not CARB legal and not for sale in California. Confirm current local requirements before ordering or installation.
Installation Instructions
- Confirm the engine is the Toyota G16E-GTS and that the build uses the 143.75 mm rod and 24 mm pin configuration.
- Have a professional engine builder measure the block, cylinder bores, deck height, combustion chambers, connecting rods, and crankshaft before machining.
- Set piston-to-wall clearance and piston ring end gaps to the current CP-Carrillo instructions for the measured engine and intended operating conditions.
- Verify piston orientation, pin fit, lock seating, deck clearance, piston-to-valve clearance, and calculated compression ratio before final assembly.
- Complete assembly with clean components, calibrated tools, documented clearances, and the engine builder's specified torque and break-in procedures.
California Proposition 65 Warning: Operating, servicing, and maintaining a passenger vehicle or off-highway motor vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. Minimize exposure by working in a well-ventilated area and following safe service practices. See www.P65Warnings.ca.gov/passenger-vehicle.
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