Product Summary

Universal Fit, Solid Core Conductor Style, Assembled

  • 9" Lead Wire
  • Black High Temp Silicone Jacketing
  • Black Fire Sleeve

Key Specs

MFG. Part #28-1629HTBB
BrandGranatelli Motor Sports
Diameter8 mm

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Granatelli Motor Sports 28-1629HTBB Details

Hi-Performance Coil-Near-Plug Connector Kit for GM Truck/SUV V-8 (Except 8.1L).


  • 9" Lead Wire
  • Black High Temp Silicone Jacketing
  • Black Fire Sleeve
  • Direct OEM replacement, exceeds OEM specifications, OBD-II computer safe
  • Increase power to the spark plug up to 400% over stock
  • Customers have reported up to 15HP (normally aspirated) And 35HP (s/c, turbo, And nitrous). Average gains on an otherwise stock motor are 5hp N/A and 12 to 15 with factory forced induction
  • 0 Ohm resistance, no RFI / EMI interference thanks to patented protector ring
  • Patented* design works with all fuel injection systems, street cars and race cars
  • Solid stainless connector cable with stainless snap lock spark plug connectors
  • High temperature silicone boots, 8MM jacket with fiberglass-reinforced braid resists temperatures up to 500 degrees f (1200 degree f. boots optional).
  • Ideal for use with aftermarket headers and/or turbocharger systems
  • Includes all necessary hardware
  • Over 600 fitments!

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Granatelli Motor Sports 28-1629HTBB Specifications

MFG. Part #28-1629HTBB
BrandGranatelli Motor Sports
Diameter8 mm
Conductor StyleSolid Core
Spark Plug Wire ColorBlack
Spark Plug Boot EndsStock
Spark Plug Boot MaterialSilicone
Spark Plug Boot ColorBlack
RFI SuppressionYes
Distributor Terminal EndsStock
Distributor Boot MaterialSilicone
Distributor Boot ColorBlack
Coil Wire IncludedNo
Wire Routing TypeUniversal
Spark Plug Wire Resistance0 ohms/ft.
GTIN Code802735034585
Sold in QuantitySet