Carburetor Needle and Seats
Circle Track Race Car Carburetor Needle & Seats at JJ Motorsports
Ensure reliable fuel delivery with premium needle and seat assemblies from JJ Motorsports, engineered for leak-free operation and consistent bowl levels in high-vibration, high-G circle track racing. These Viton-tipped and stainless steel needle & seats are designed for Holley 4150/4160 carbs, delivering precise control and durability for dirt track, oval, and stock car setups — keeping your carb dialed lap after lap.
Shop Holley needle & seats for race-proven reliability. Whether you're running gas or alcohol on a short track or a high-bank superspeedway, these components pair perfectly with our jets & air bleeds or explore rebuild kits to finish your carburetor refresh and dominate the field.
Top Circle Track Carburetor Needle & Seats
- .130in Needle & Seat Assembly Viton HLY6-522 – High-flow .130" Viton needle & seat; ideal for alcohol carbs and high-fuel-demand engines.
- .125 Viton Needle & Seat 10-Pack 5115X – .125" Viton-tipped needle & seat pack; perfect for gas setups and easy spares at the track.
- Needle & Seat HLY6-500-2 – Standard .110" Viton needle & seat; reliable OEM replacement for Holley 4150/4160 series carbs.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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AED .125 Viton Needle & Seat 10-pk 5115X
ADVANCED ENGINE DESIGN
$97.40Needle and SeatAdjustable0.125 OrificeVitonHolley / Quick Fuel CarburetorsAED5115X- SKU:
- AED5115X
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
$97.40 -
Holley .130in Needle & Seat Assembly - Viton 6-522
HOLLEY
$42.80Holley-FUEL INLET NEEDLE & SEAT ASSY .130 VITONHLY6-522- SKU:
- HLY6-522
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$42.80 -
Holley .150in Needle & Seat Assembly 6-521
HOLLEY
$44.95.150in Needle & Seat AssemblyNeedle and SeatAdjustable0.150 OrificeTitaniumHolley CarburetorsEachHLY6-521- SKU:
- HLY6-521
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 6-521
$44.95 -
Holley Needle & Seat 6-519-2
HOLLEY
$57.25Needle & Seat Needle and SeatAdjustable0.150 OrificeSteelHolley CarburetorsPairHLY6-519-2- SKU:
- HLY6-519-2
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 6-519-2
$57.25 -
Holley Viton Inlet Needle & Seat 6-518-2
HOLLEY
$42.80Viton Inlet Needle & SeatNeedle and SeatAdjustable0.120 OrificeVitonHolley CarburetorsPairHLY6-518-2- SKU:
- HLY6-518-2
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 6-518-2
$42.80 -
Holley Needle & Seat 6-515-2
HOLLEY
$49.95Needle & Seat Needle and SeatAdjustable0.130 OrificeSteelHolley CarburetorsPairHLY6-515-2- SKU:
- HLY6-515-2
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 6-515-2
$49.95 -
Holley Needle & Seat 6-506
HOLLEY
$21.38Needle & Seat Needle and SeatAdjustable0.097 OrificeVitonHolley CarburetorsEachHLY6-506- SKU:
- HLY6-506
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 6-506
$21.38 -
Holley Needle & Seat 6-504
HOLLEY
$25.56Needle & Seat Needle and SeatAdjustable0.110 OrificeVitonHolley CarburetorsEachHLY6-504- SKU:
- HLY6-504
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 6-504
$25.56 -
Holley Needle & Seat 6-502-2
HOLLEY
$82.45Needle & Seat Needle and SeatAdjustable0.120 OrificeSteelHolley CarburetorsPairHLY6-502-2- SKU:
- HLY6-502-2
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 6-502-2
$82.45 -
Holley Needle & Seat 6-500-2
HOLLEY
$46.23Needle & Seat Needle and SeatAdjustable0.110 OrificeSteelHolley CarburetorsPairHLY6-500-2- SKU:
- HLY6-500-2
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 6-500-2
$46.23 -
AED .150 Alcohol Needle & Seat - Each 5117
ADVANCED ENGINE DESIGN
$11.32.150 Alcohol Needle & Seat - EachNeedle and SeatAdjustable0.150 OrificeStainlessHolley / Quick Fuel CarburetorsAlcoholEachAED5117- SKU:
- AED5117
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 5117
$11.32 -
AED .125 Viton Needle & Seat - Each 5115
ADVANCED ENGINE DESIGN
$10.65.125 Viton Needle & Seat - EachNeedle and SeatAdjustable0.125 OrificeVitonHolley / Quick Fuel CarburetorsEachAED5115- SKU:
- AED5115
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 5115
$10.65 -
AED .110 Viton Needle & Seat - Pair 5110
ADVANCED ENGINE DESIGN
$11.99.110 Viton Needle & Seat - PairNeedle and SeatAdjustable0.110 OrificeVitonHolley / Quick Fuel CarburetorsPairAED5110- SKU:
- AED5110
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 5110
$11.99
