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SKU:105740-21K
Suncoast Oversized Main Pressure Regulator Valve Kit
Suncoast Oversized Main Pressure Regulator Valve Kit
Description
Wear in the main pressure regulator bore and on the outboard spool area of the valve is common in GM 10L60/80/90 (Gen. 2) 10-speed RWD transmissions. This wear minimizes line pressure control resulting in delayed shift engagement, poor shift quality and burnt clutches.
Reconditioning the bore and installing Sonnax oversized main pressure regulator valve kit 105740-21K eliminates the leakage of line pressure signal oil to exhaust with the incorporation of annular grooves on the outboard and inboard spools of the valve. The O-ringed end plug provides a positive seal and prevents critical signal fluid from leaking to exhaust. Both of these Sonnax features ensure your units will have proper line pressure control through all drive ranges.
- O-Ringed end plug provides positive seal to prevent critical signal fluid from leaking to exhaust
- Hardcoat anodized aluminum valve combats premature wear
- Annular grooves help center the valve in the bore to reduce future side-load wear
- Included are two new springs that restore OE pressure specifications
Fitments
2025 Cadillac Escalade
2025 Chevrolet Silverado 1500
2025 Chevrolet Suburban
2025 Chevrolet Tahoe
2025 GMC Sierra 1500
2025 GMC Yukon
2024 Cadillac Escalade
2024 Chevrolet Camaro
2024 Chevrolet Silverado 1500
2024 Chevrolet Suburban
2024 Chevrolet Tahoe
2024 GMC Sierra 1500
2024 GMC Yukon
2023 Cadillac Escalade
2023 Chevrolet Camaro
2023 Chevrolet Silverado 1500
2023 Chevrolet Suburban
2023 Chevrolet Tahoe
2023 GMC Sierra 1500
2023 GMC Yukon
2022 Cadillac Escalade
2022 Chevrolet Camaro
2022 Chevrolet Silverado 1500
2022 Chevrolet Suburban
2022 Chevrolet Tahoe
2022 GMC Sierra 1500
2022 GMC Yukon
2021 Cadillac Escalade
2021 Chevrolet Camaro
2021 Chevrolet Silverado 1500
2021 Chevrolet Suburban
2021 Chevrolet Tahoe
2021 GMC Sierra 1500
2021 GMC Yukon
2020 Cadillac Escalade
2020 Chevrolet Camaro
2020 Chevrolet Silverado 1500
2020 Chevrolet Suburban
2020 Chevrolet Tahoe
2020 GMC Sierra 1500
2020 GMC Yukon
2019 Cadillac Escalade
2019 Chevrolet Camaro
2019 Chevrolet Silverado 1500
2019 Chevrolet Suburban
2019 Chevrolet Tahoe
2019 GMC Sierra 1500
2019 GMC Yukon
2018 Cadillac Escalade
2018 Chevrolet Suburban
2018 Chevrolet Tahoe
2018 GMC Yukon
Instructions
Specifications
SKU: 105740-21K
GTIN: 840385619738
Manufacture Name: Suncoast Performance
Shipping Weight: 1 lb
Shipping Length: 4 in
Shipping Width: 4 in
Shipping Height: 4 in
EO Number:
Cross Reference #
Warranty
California Proposition 65 Warning
California Proposition 65 Warning - P65warnings.ca.gov
105740-21K
Suncoast Oversized Main Pressure Regulator Valve Kit
Wear in the main pressure regulator bore and on the outboard spool area of the valve is common in GM 10L60/80/90 (Gen. 2) 10-speed RWD transmissions. This wear minimizes line pressure control resulting in delayed shift engagement, poor shift quality and burnt clutches.
Reconditioning the bore and installing Sonnax oversized main pressure regulator valve kit 105740-21K eliminates the leakage of line pressure signal oil to exhaust with the incorporation of annular grooves on the outboard and inboard spools of the valve. The O-ringed end plug provides a positive seal and prevents critical signal fluid from leaking to exhaust. Both of these Sonnax features ensure your units will have proper line pressure control through all drive ranges.
- O-Ringed end plug provides positive seal to prevent critical signal fluid from leaking to exhaust
- Hardcoat anodized aluminum valve combats premature wear
- Annular grooves help center the valve in the bore to reduce future side-load wear
- Included are two new springs that restore OE pressure specifications
Suncoast Oversized Main Pressure Regulator Valve Kit