Skip to product information
1 of 7

ECS Garage

Corvette C8, ZR1 (2025+) SE8854-70, C8 ZR1 (70MM EFF.) LT7 [2025+] SET OF 2.

Corvette C8, ZR1 (2025+) SE8854-70, C8 ZR1 (70MM EFF.) LT7 [2025+] SET OF 2.

Regular price $950.00 USD
Regular price Sale price $950.00 USD
Sale Sold out

Premium Modified, and Ported GM OEM Throttle Bodies.

For 5.5L Twin Turbo V8 Engines (LT7)

Corvette C8, ZR1 (2025+)

Please Note: ONLY SOLD AS PAIR

Enhanced Performance Replacement for P/N: 12708854

 

FEATURES:
• Optimized Active Contours with sonic flow nozzles
• Porting Taper and Upstream Bore with Velocity Stack
• Greater Discharge Coefficient of Plate/Blade interface
• 16 Ra Micro inch, Diamond Polished Surface Finish
• Shaftless high-pressure side of the blade for Larger WOT Flow Area (70 mm Effective Bore)
• Self-Cleaning Throat/Flow Gap
• Dome and Thread-locked Screws

BENEFITS:
• Lower weight to power ratio at part throttle, for a more nimble/spirited driving experience
• Linearization and smoothing of the curve for a more predictable response and crisper shifts
• Immediate response right off idling while keeping idling function undisturbed (No Hesitation/Stumble)
• Does not require tuning. Warranty safe.
• More air/power at every single throttle position after idle. Crucial for starting or expanding power gain modifications

WHAT’S INCLUDED:

  • 2 x 70MM Throttle Body Valve Assembly

View full details