Wire Diameter 8.5mm
Conductor Style Spiral Wound Kevlar® Core
Resistance 500 ohms (Ω)/ft
RFI Suppression Yes
Wire Jacketing High-density Silicone
Wire Length 9 3/4"
Spark Plug Boot Angle 135°
Wire End Female
Wire Color Black
Quantity Full Set of 8 Plug Wires


Never have burnt or melted spark plug boots again. This set of TSP wires comes equipped with premium ceramic boots, capable of withstanding temperatures up to 2,000° F. The wire itself has a jacket composed of premium, high-density silicone rated at 500° F and features a quality gloss finish to resist damage from water and chemicals. A spiral-wound Kevlar® core suppresses RFI (radio-frequency interference) and features 500 ohm per foot resistance for excellent performance. Around the core is a fiberglass braid which provides superior pull strength. This set is not assembled but comes with LS-style terminals for a universal fit.


'97-'15 Chevrolet Small Block V8 Gen. III/IV (LS-Based)

  • 4.8 L / 294 in3
  • 5.3 L / 325 in3
  • 5.7 L / 346 in3
  • 6.0 L / 364 in3
  • 6.2 L / 376 in3

'14-'16 Chevrolet Small Block V8 Gen. V (LT-Based)

  • 5.3 L / 325 in3
  • 6.2 L / 376 in3


  • Fits small block generations 3,4, and 5 LS and LT applications


Part Numbers

135° Black 81028
135° Black Ceramic 81028CE
135° Red 81228

Universal GM LS 8.5mm Black Ignition Wires with 135° Ceramic Plug Boots