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







SE8854-70, C8 ZR1 (70MM EFF.) LT7 [2025+] SET OF 2.
Premium Modified, and Ported GM OEM Throttle Bodies.
For 5.5L Twin Turbo V8 Engines (LT7)
Corvette 8, ZR1 (2025+)
Please Note: ONLY SOLD AS PAIR
Enhanced Performance Replacement for P/N: 12708854
1 YEAR WARRANTY*.
TYPE:
NEW: A brand new reworked pair (0 miles / BNIB).
CORE EXCHANGE: Refurbished and reworked parts shipped right after you order. The $240 deposit is refunded when we receive your unmodified core units within a month of order delivery.
REWORK YOUR OWN: Ship your unmodified units to us right after placing your order, we’ll rework it in 1-2 business days and send them right back to you. Contact us prior to order if reworking an already modified or ported unit.
NOTE: WARRANTY AND PERFORMANCE IS THE SAME FOR ALL OPTIONS
3-YEAR EXTENDED WARRANTY AVAILABLE - SEE SHIPPING/RETURNS FOR MORE INFO.
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
APPLIES TO ALL NEW, REFURB, & CORE EXCHANGE PARTS.