PerTronix D172420 Flame-Thrower Electronic Distributor Cast British 25D 4cyl Top Exit Plug and Play with Ignitor II Technology with Vacuum

PerTronix D172420 Flame-Thrower Electronic Distributor Cast British 25D 4cyl Top Exit Plug and Play with Ignitor II Technology with Vacuum

Part Number: D172420 / UPC 694342541057
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Highlights

  • All new lightweight cast aluminum housings.
  • Tailored advance curve for optimal performance and drivability.
  • Integrated Ignitor II electronic ignition with variable dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance.
  • Develops on average 4 times more available energy between 3000 and 5000 RPM, and 2 times more available plug voltage.
  • Peak current level is reached just prior to spark for maximum energy without the heat build-up, increasing coil and module life.

Additional Information

Performance Distributors for British Engines Flame-Thrower HP distributors take the performance line of distributors one step higher. That's right, HP stands for High Performance, and that's what you get with our all new HP distributors. These distributors feature patented Ignitor II technology and are available with top exit or our new side exit caps. For optimal performance, use our Flame-Thrower II 45,000 volt coils. FEATURES • All new lightweight cast aluminum housings. • Tailored advance curve for optimal performance and drivability. • Integrated Ignitor II electronic ignition with variable dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance. • Develops on average 4 times more available energy between 3000 and 5000 RPM, and 2 times more available plug voltage. • Peak current level is reached just prior to spark for maximum energy without the heat build-up, increasing coil and module life. • Adjusts spark timing at higher RPMs to compensate for the inherent electronic delay. • Senses startup and develops more energy for quicker, easier starting. • Built in reverse polarity and over current protection shuts down the system, preventing component damage. • High dielectric strength cap with brass terminals. • Top or side exit caps available. • Balanced rotor with overmolded brass contact. • Warranty: 30 months electronics / limited 1 year mechanical.

PERTRONIX FLAME-THROWER "STOCK-LOOK" PERFORMANCE DISTRIBUTOR FEATURING IGNITOR II ELECTRONICS FOR BRITISH A & B 4-CYLINDER ENGINES. REPLACES LUCAS 25D DISTRIBUTORS. 12-VOLT NEGATIVE EARTH, WITH VACUUM ADVANCE, & TOP EXIT CAP.

Installation instructions

Instruction Manual
Installation Instructions

Download PDF

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 - 98.99 $7.49 flat rate
UPS Ground $99+ 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.

Returns & Replacements

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.

Reviews

PerTronix D172420 Flame-Thrower Electronic Distributor Cast British 25D 4cyl Top Exit Plug and Play with Ignitor II Technology with Vacuum

PerTronix D172420 Flame-Thrower Electronic Distributor Cast British 25D 4cyl Top Exit Plug and Play with Ignitor II Technology with Vacuum

Part Number: D172420 / UPC 694342541057
Regular price $324.45
Sale price $324.45 Regular price

Part Number: D172420 / UPC 694342541057
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  • Free shipping on $99+ orders in lower 48 states
  • 90-day return policy
  • We’re here to help! Call us on 909-599-5955
Emissions code

Emissions Code

Continue Reading to Understand Emissions Codes

C.A.R.B. EO Number: D-57-23

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Highlights

  • All new lightweight cast aluminum housings.
  • Tailored advance curve for optimal performance and drivability.
  • Integrated Ignitor II electronic ignition with variable dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance.
  • Develops on average 4 times more available energy between 3000 and 5000 RPM, and 2 times more available plug voltage.
  • Peak current level is reached just prior to spark for maximum energy without the heat build-up, increasing coil and module life.

Additional Information

Performance Distributors for British Engines Flame-Thrower HP distributors take the performance line of distributors one step higher. That's right, HP stands for High Performance, and that's what you get with our all new HP distributors. These distributors feature patented Ignitor II technology and are available with top exit or our new side exit caps. For optimal performance, use our Flame-Thrower II 45,000 volt coils. FEATURES • All new lightweight cast aluminum housings. • Tailored advance curve for optimal performance and drivability. • Integrated Ignitor II electronic ignition with variable dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance. • Develops on average 4 times more available energy between 3000 and 5000 RPM, and 2 times more available plug voltage. • Peak current level is reached just prior to spark for maximum energy without the heat build-up, increasing coil and module life. • Adjusts spark timing at higher RPMs to compensate for the inherent electronic delay. • Senses startup and develops more energy for quicker, easier starting. • Built in reverse polarity and over current protection shuts down the system, preventing component damage. • High dielectric strength cap with brass terminals. • Top or side exit caps available. • Balanced rotor with overmolded brass contact. • Warranty: 30 months electronics / limited 1 year mechanical.

PERTRONIX FLAME-THROWER "STOCK-LOOK" PERFORMANCE DISTRIBUTOR FEATURING IGNITOR II ELECTRONICS FOR BRITISH A & B 4-CYLINDER ENGINES. REPLACES LUCAS 25D DISTRIBUTORS. 12-VOLT NEGATIVE EARTH, WITH VACUUM ADVANCE, & TOP EXIT CAP.

Installation instructions

Instruction Manual
Installation Instructions

Download PDF

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 - 98.99 $7.49 flat rate
UPS Ground $99+ 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.

Returns & Replacements

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.

Reviews

Applications

Year / Make / Model 1962-1974 MG MGB
Engine Type L4
Engine Size(s) Liters: 1.8
Cubic Inches: 110
Notes

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