Chevy Small Block Race Fit 8mm Spiro-Pro White Ceramic Boots Spark Plug Wire Set with Over Valve Cover HEI Fitment

Emissions code 4 Emissions Code
Part Number: 75228 In Stock
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Regular price $146.25
Sale price $146.25 Regular price $162.50 Save 10%
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Reliable Quality

Products built to last for enduring performance.

Features & Benefits

8mm Spiro Pro wire sets are for street & strip, off road, street rods, and custom cars. 8mm Spiro Pro wires are engineered to deliver superior performance with unsurpassed quality. They are the top choice amongst racers and enthusiasts alike with heat protection up to 600° Fahrenheit and 65,000 volts of dielectric strength.

Race Fit wires arrive cut to exact length and fully terminated — boots and terminals installed on both ends, ready to drop straight in. Note that lengths are optimized for the chosen routing path; if you're running a fixed loom or an alternate wire path, fitment may vary. An extra-long coil wire is also included, one end fully prepped and the other left open so you can trim to length and finish with the boot and terminal to your high-performance coil of choice.

  • For Chevy Small Block Engines; sized to be routed over the valve cover and terminated for HEI distributors
  • Spark Plug Wire Lengths (inches): 8 cylinders - 38, 34, 31, 31, 25, 23, 23, 23, coil 36
  • 90° spark plug boot angle
  • Black with white ceramic boots
  • 8.0mm outer silicone jacket is rated up to 65K volts and heat resistant to 600° Fahrenheit
  • Silicone inner core provides heat protection and superior flexibility throughout its lifetime
  • 350 ohms per foot
  • Highly conductive stainless steel spiral wound core
  • Superior RFI / EMI suppression for applications with CD or electronic ignitions, on board computers, stereos or pit radios
  • Double spring lock spark plug terminals

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Specifications

Wire Series Spiro Pro
Insulation Color Red
Resistance 350 ohm/ft
Outside Diameter 8mm
Noise Suppression Yes
Insulation Outside Diameter 8mm
Insulation Material Silicone
Core Material Stainless Steel Spirol Wound Suppression
Universal Or Specific Fit Specific
Spark Plug Boot Material Silicone
Spark Plug End Boot Color White
Grade Type Performance
Wire Separators Included No

Installation instructions

Instruction Manual
Installation Instructions
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Shipping & Delivery

Our ignition and exhaust products ship from our warehouse in Lenexa, KS. Our normal shipping time is 2-3 business days for in-stock parts.

 Shipping Class Order Value Shipping Cost
UPS Ground $0 - 49.99 $6.99 flat rate
UPS Ground $50 - 108.99 $7.49 flat rate
UPS Ground $109+ Free


  • At this time, PerTronix does not offer expedited shipping options from our website.

  • All packages must be inspected upon receipt for any missing or damaged goods and claims for such must be made within 7 days of receipt.

  • PerTronix does not currently ship our products internationally from our web store. For international orders call 909-599-5955 or connect with us here.

  • Once an item has tracking info, it cannot be cancelled. If you decide you don’t want the items after shipment, please take receipt of the item and process it via our return policy. Thank you for understanding!

 

Shipping Dock Hours of Operations

7:00am to 4:00pm CST Monday-Friday

Receiving Dock Numbers: 7 and 8

Shipping Dock Numbers: 13, 14, and 15

Returns, Replacements & Warranty

Returns at Pertronix are accepted within 90 days of purchase with prior authorization, ensuring items are in new, resalable condition. To initiate a return, call for an RGA and follow provided instructions. Customers are responsible for return shipping, using a trackable method.

Refunds exclude initial shipping and handling fees and may be subject to a restocking fee. For defective or damaged items, contact Pertronix directly. We are not responsible for user-initiated damage/loss of parts.

For complete details, visit our Returns page.

Warranty

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