website

Products

Sold out
XS Power XSP311 Harness for GM "SI" Series Alternators (1969 to 1988)

XS Power XSP311 Harness for GM "SI" Series Alternators (1969 to 1988)

SKU XSP311

Shipping unavailable for this option
Performance Parts & Racing Equipment
$74.99
XSP311
Shop All Racing Accessories XS Power Battery Accessories XS Power Performance Batteries & Accessories
XS Power XSP311 Harness for GM "SI" Series Alternators (1969 to 1988) helps complete an XS Power installation....
Sold out
XS Power XSP312 Harness for GM "CS" Series Alternators (1986 to 1997)

XS Power XSP312 Harness for GM "CS" Series Alternators (1986 to 1997)

SKU XSP312

Shipping unavailable for this option
Performance Parts & Racing Equipment
$74.99
XSP312
Shop All Racing Accessories XS Power Battery Accessories XS Power Performance Batteries & Accessories
XS Power XSP312 Harness for GM "CS" Series Alternators (1986 to 1997) helps complete an XS Power installation....
Sold out
XS Power XSP313 Harness for GM "D" & "AD" 4 Pin Alternators (1995 to 2008)

XS Power XSP313 Harness for GM "D" & "AD" 4 Pin Alternators (1995 to 2008)

SKU XSP313

Shipping unavailable for this option
Performance Parts & Racing Equipment
$74.99
XSP313
Shop All Racing Accessories XS Power Battery Accessories XS Power Performance Batteries & Accessories
XS Power XSP313 Harness for GM "D" & "AD" 4 Pin Alternators (1995 to 2008) helps complete an...
Sold out
XS Power XSP320 VCM Digital Dash Mount Controller, Blue Display

XS Power XSP320 VCM Digital Dash Mount Controller, Blue Display

SKU XSP320

Shipping unavailable for this option
Performance Parts & Racing Equipment
$119.99
XSP320
Shop All Racing Accessories XS Power Battery Accessories XS Power Performance Batteries & Accessories
XS Power XSP320 VCM Digital Dash Mount Controller, Blue Display helps complete an XS Power installation. Check the...
Sold out
XS Power XSP320-311 Controller and Harness for GM "SI" Series Alternators (1969 to 1988), Blue Display

XS Power XSP320-311 Controller and Harness for GM "SI" Series Alternators (1969 to 1988), Blue Display

SKU XSP320-311

Shipping unavailable for this option
Performance Parts & Racing Equipment
$199.99
XSP320-311
Shop All Racing Accessories XS Power Battery Accessories XS Power Performance Batteries & Accessories
XS Power XSP320-311 Controller and Harness for GM "SI" Series Alternators (1969 to 1988), Blue Display helps complete...
Sold out
XS Power XSP320-312 Controller and Harness for GM "CS" Series Alternators (1986 to 1997), Blue Display

XS Power XSP320-312 Controller and Harness for GM "CS" Series Alternators (1986 to 1997), Blue Display

SKU XSP320-312

Shipping unavailable for this option
Performance Parts & Racing Equipment
$199.99
XSP320-312
Shop All Racing Accessories XS Power Battery Accessories XS Power Performance Batteries & Accessories
XS Power XSP320-312 Controller and Harness for GM "CS" Series Alternators (1986 to 1997), Blue Display helps complete...
Sold out
XS Power XSP320-313 Controller and Harness for GM "D" & "AD" 4 Pin Alternators (1995 to 2008), Blue Display

XS Power XSP320-313 Controller and Harness for GM "D" & "AD" 4 Pin Alternators (1995 to 2008), Blue Display

SKU XSP320-313

Shipping unavailable for this option
Performance Parts & Racing Equipment
$199.99
XSP320-313
Shop All Racing Accessories XS Power Battery Accessories XS Power Performance Batteries & Accessories
XS Power XSP320-313 Controller and Harness for GM "D" & "AD" 4 Pin Alternators (1995 to 2008), Blue...
-9%
an y block

Y Block Adapter

Performance Parts & Racing Equipment
$67.89 $62.00
AN Fittings & Adapters Finish Line Factory Performance Parts
Finish Line Factory’s precision made, high quality Y Adapters are ideal for the delivery of fuel, oil, water, air,...
Items 4465 to 4472 of 4472 total

Performance Parts & Drag Racing FAQ

Answers to common questions about drag racing parts, performance upgrades, race fuel, and top brands like MSD, Holley, Edelbrock, Aeromotive, Weld Wheels, and Mickey Thompson.
  • Upgrades like MSD ignition systems, Holley or Aeromotive fuel systems, cylinder heads, and high-performance exhaust components can significantly improve horsepower, throttle response, and overall drag racing performance.
  • In many cases, yes. Aftermarket parts from brands like Edelbrock, Holley, and MSD are designed for higher performance, durability, and tuning flexibility compared to stock OEM components.
  • Many parts can be used on both street and race applications, but some components—such as race fuel systems or aggressive engine upgrades—are better suited for dedicated performance or drag racing builds.
  • Race fuel typically has a higher octane rating, but that alone doesn’t create more horsepower. The real benefit is that higher octane fuel allows an engine to run higher compression ratios, more aggressive ignition timing, and increased boost without detonation. This means properly built engines can safely make more power and perform more consistently under racing conditions compared to running standard pump gas.
  • We compete directly with nationwide distributors like Summit Racing and JEGS, but customers continue to choose us because we offer something they can’t—real-world racing experience and personalized service. We’re a family-run business built on 25+ years in drag racing, not just a warehouse moving boxes. That means we understand how parts actually perform on the track, can help guide real builds, and stand behind what we sell. You’re not just buying parts—you’re getting knowledge, support, and experience from people who live this every day.

Your cart

×