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SunCoast is proud to offer you a very unique and innovative solution for your accumulator issues on the General Motors 700R4/4L60/65/70E platforms. These units are plagued with bore wear that caus...
SunCoast is proud to offer you a very unique and innovative solution for your accumulator issues on the General Motors 700R4/4L60/65/70E platforms. These units are plagued with bore wear that caus...
Description: SUNCOAST IMPROVED HIGH PERFORMANCE COMPLETE SEAL SEALING SOLUTION
Item #: SC-74927AK-SP
Condition: New
Price: $14.95
2.84 GEAR RATIO PLANETNew
Features and Benefits:
Keeps engine in power band on 1-2 and 2-3 shifts
Delivers longer pull in 1st and 2nd gears
Six-pinion planet loaded with advanced durability features
No ...
INTERMEDIATE BILLET SERVO 2ND GEAR Features and Benefits: 18% More apply area than OE "Corvette" servo Fastest band release in the industry Maximizes holding power in 2nd gear with ...
Sonnax 4L60/65E .490 boost valve kit GM 4L60-E and 4L65-E transmissions frequently have poor line rise, which can result in 3-4 clutch, 2-4 band failure or poor shift quality. The duty cycle of ...
Features and Benefits:
Patented dual-piston design with 40% more apply delivers greater holding power
D-ring seals prevent pressure loss
Use with OE, Corvette or Sonnax 2nd gear s...
1-2 or 3-4 Accumulator Spring Sonnax offers accumulator spring 74926 for use in the 1-2 or 3-4 accumulator of GM 4L60 and 4L60-E series transmissions. The Sonnax spring has identical performance...
Features and Benefits
Eliminates concerns of forward piston damage
Dramatically increased strength and reliability over the factory cast aluminum piston
Can be use...
Forward Accumulator Piston In GM 4L60-E, 4L65-E and 4L70-E units, it is common for the plastic forward accumulator piston to wear or crack and older aluminum piston bores to wear from repeated r...
Sonnax 2-3 Shift Valve Features and Benefits:
Improves input sprag and Forward clutch durability
Critical upgrade for all heavy-duty and performance vehicles
Keeps th...
Heavy Duty Input Shaft Input shaft failure is a common problem in GM 4L60-E, 4L65-E, 4L70-E units as power levels are increased. The Sonnax heavy duty input shaft 77773-11S for 300mm non-relucto...
Heavy Duty Input Shaft Input shaft failure is a common problem in GM 4L60-E, 4L65-E, 4L70-E units as power levels are increased. Sonnax heavy duty input shaft 77733-12S for 300mm reluctor-style ...
Heavy Duty Output Shaft Output shaft failure is common as power levels are increased in GM 4L60-E, 4L65-E and 4L70-E units. Sonnax heavy duty output shaft 74678L-HD for 2WD and Corvette units is...
Pump Slide Spring Sonnax now offers a high performance pump slide spring 77722-01K for the 4L60, 4L60-E, 4L65-E and 200-4R. In high performance applications, when engine speed exceeds 5800 rpm, ...
Rear Stator Support Bushing The original GM 4L60, 4L60-E, 4L65-E, 4L70-E rear stator bushing comes in narrow and wide versions in both common bronze and harder aluminum type materials. All versi...
TCC Regulator & Isolator Valve Kit Severe wear of the TCC regulator valve bore caused by oscillation of the OE valve allows regulated converter apply pressure to exhaust. This is a primary ...
