Billet Cone Reducer (Stainless & Aluminum)

Name: Monkey Fabrication Garage - MFG Billet Cone Reducer (Stainless & Aluminum) - Billet Cone Reducer (Stainless & Aluminum)
Brand: Monkey Fabrication Garage - MFG
SKU: 31681391099927
Price: 21.78 USD
Availability: InStock
Rating: 5 (9 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$21.78

Quantity

Color

Black

Quantity

Description

Billet cone, one inch overall transition from top to bottom, over 2", marked every 1/4" so you can cut to fit. 6061 Aluminum or 304L Stainless sold ea.

Reviews

5.0

17 ratings

Best in the business

Swapped turbos and needed some adapters. They answered all my dumb questions and were excellent to deal with.

Scott · March 11, 2026

Great quality, helped to adapt my throttle body to the 3.5” intercooler clamp nicely. Cut what you need and save what you dont to help on another project!

Julian · January 13, 2026

Worked great!

Noe · December 10, 2025

Delivery & Returns

Monkey Fabrication Garage - MFG

5 (1.6K)

Product description loading

This is the product description text that will appear here.

Monkey Fabrication Garage - MFG

V Band Assembly, Aluminum, Quick disconnect Clamp

(7)

$29.04

Monkey Fabrication Garage - MFG

T6 to 3.00” tube billet turbo transition flange

(3)

$140.00

Monkey Fabrication Garage - MFG

Copper gasket V Band Assembly, Stainless Steel, Quick disconnect Clamp

(13)

$43.56

Monkey Fabrication Garage - MFG

Blow Off Valve BOV Flange

(10)

$19.95

Monkey Fabrication Garage - MFG

AN Hose, Braided Steel Black Nylon (by the foot)

(40)

$3.58

MAVEN PERFORMANCE PRODUCTS

(149)

Monkey Fabrication Garage - MFG

VS Racing Gen 3 Wastegates

(4)

$159.00

Monkey Fabrication Garage - MFG

O2 Bung Aluminum

(4)

$4.02

Ticon Industries

High Temp 4-Ply Reinforced Straight Silicone Reducer

$8.99

Ticon Industries

Turbosmart Raceport/Big Bubba Titanium Blow Off Valve Flange

$79.99

Ticon Industries

Titanium Vanjen Weld Ferrule

(1)

$102.99

Monkey Fabrication Garage - MFG

AN Flare Cap

(8)

$3.80

Ticon Industries

Titanium Transition Reducer - 1mm Thickness

$39.99

Monkey Fabrication Garage - MFG

T6 divided mild steel collector

(5)

$119.79

Monkey Fabrication Garage - MFG

Aluminum Clamshell Clamp Assemblies

(1)

$47.26

Monkey Fabrication Garage - MFG

T4 Billet Stainless tube adapter.

(11)

$110.00

Ace Race Parts

(1.6K)

Monkey Fabrication Garage - MFG

T Bolt Clamps for Silicone Couplers

(2)

$3.20

Monkey Fabrication Garage - MFG

Silicone Coupler

(5)

$4.68

Monkey Fabrication Garage - MFG

AN Male To AN Male Reducer

(1)

$2.90

Monkey Fabrication Garage - MFG

BLOW OFF VALVE

(2)

$79.20

Monkey Fabrication Garage - MFG

VSR S400/GT42/GT45/GT55/PROMOD Compressor outlet V-band Assembly

(1)

$56.00

Monkey Fabrication Garage - MFG

3″ Vband & Clamp for 60 series

$45.00

Ace Race Parts

1.500" Flex Bellow (with Inner Liner) x 2.500" Overall Length - 304 Stainless

(4)

$34.85

Monkey Fabrication Garage - MFG

AN to Metric

(3)

$4.25

AutoPlumb

4.9

(594)

Ticon Industries

Titanium 90° Tight Radius Elbow

$57.99

Monkey Fabrication Garage - MFG

AN Y Block

(12)

$15.02

LOWDOLLER-MOTORSPORTS

(1K)

Monkey Fabrication Garage - MFG

AN Female to AN Male Reducer

(3)

$4.16

Monkey Fabrication Garage - MFG

V Band Assembly, Half and half SS & Aluminum, w/Clamp

(3)

$35.21

Monkey Fabrication Garage - MFG

T6 5” to 4” Marmon V-band reducer flange BW Style

(15)

$47.19

Monkey Fabrication Garage - MFG

Silicone Coupler Transitions

(10)

$6.20

Maxfab - Fabrication & Supply Co.

Stainless Steel Reducers

(3)

NZ$24.00

Monkey Fabrication Garage - MFG

AN Weld On Bungs 304L Stainless Steel

(5)

$4.50

STM Weld-On IAT Bung for Hemi 6.2L 5.7L 6.4L

STM Tuned Inc.

STM Weld-On IAT Bung for Mopar & Ford

$12.00

Scarlett's Solutions

(44)

Ticon Industries

Titanium 90° Loose Radius Elbow

$59.99

Monkey Fabrication Garage - MFG

PTFE AN Hose Ends Fittings Black

(64)

$9.80

Monkey Fabrication Garage - MFG

T6 divided stainless steel collector

(5)

$182.50

Monkey Fabrication Garage - MFG

VS Racing Gen 2 Wastegates

(6)

$108.57

Monkey Fabrication Garage - MFG

NPT plug

(4)

$1.56

Monkey Fabrication Garage - MFG

O2 Bung and Plug stainless 304L

(7)

$4.84

Motion Raceworks

4.9

(25.8K)

Fragola -10 AN Black Nylon Race Hose (By The Foot) 840010-Fragola-Motion Raceworks

Motion Raceworks Momentary Small Push Button w/6' Wound Cord (Red or Green)-Motion Raceworks-Motion Raceworks

Fragola -8 AN Black Nylon Race Hose (By The Foot) 840008-Fragola-Motion Raceworks

Motion Raceworks 48" Throttle Cable w/ GM/Ford Pedal Attachment 18-141-Motion Raceworks-Motion Raceworks

Monkey Fabrication Garage - MFG

V-Band Clamp (Clamp only)

(3)

$13.31

Monkey Fabrication Garage - MFG

V-Band Flange s400 T4 1.25AR (Vs racing 7875, and similar) Turbine; turbo downpipe: 3.5" or 4.0" SS

(10)

$56.65

Monkey Fabrication Garage - MFG

AN Hose Ends, Black (for reg nylon/ steel braided hose)

(71)

$5.21

Bend Brothers

2" (51mm) - 2.5" (63mm) 6061 Aluminium Cone Style Concentric Size Reducer

$26.00

Monkey Fabrication Garage - MFG

GM LS Alternator connector

$5.36

Monkey Fabrication Garage - MFG

Titanium 90* Bends

(1)

$62.11

Ticon Industries

Aluminum HKS SSQ BOV Flange - 6061

$29.99

Circle D Specialties

4.9

(351)

GM 258mm Pro Series 4L80E Torque Converter

GM 258mm Pro Series 6L80E Torque Converter

GM 245mm Pro Series 4L80E Torque Converter

Monkey Fabrication Garage - MFG

PTFE AN Hose Black (by the foot)

(35)

$4.02

Monkey Fabrication Garage - MFG

Female To Female, AN Union 0, 45, and 90 degree

(5)

$5.10

Ticon Industries

Titanium 45° Tight Radius Elbow

$29.99

Monkey Fabrication Garage - MFG

Titanium Pie Cuts (45*) Kit

$39.98

Monkey Fabrication Garage - MFG

V Band Reducers

(14)

$34.69

Monkey Fabrication Garage - MFG

T6 Billet Flange to Dual Tube

(1)

$166.91

Monkey Fabrication Garage - MFG

Deutsch DT Connectors Sets, (with barrel pins)

(15)

$14.08

Monkey Fabrication Garage - MFG

AN Weld On Bungs Aluminum

(21)

$3.42

Leash Electronics

4.9

(91)

Monkey Fabrication Garage - MFG

Maven Turbo Mounts

(2)

$145.00

Monkey Fabrication Garage - MFG

Monkey Fab Wastegate Flanges (Inlet/Outlet)

(2)

$18.00

Gokey's Garage

High Temp Stainless Sight Glass

$59.95

Race Spec

Bosch MAP/T Weld Bung

(2)

$25.00

Monkey Fabrication Garage - MFG

Titanium Tube,

(3)

$115.44

Monkey Fabrication Garage - MFG

AN Male to NPT

(7)

$3.08

Monkey Fabrication Garage - MFG

AN PUSHLOC Hose Ends, Black (for PUSHLOC hose)

(8)

$3.21

Speed Engineering

4.8

(4.8K)

Monkey Fabrication Garage - MFG

Aluminum Tubing Kit Intercooler Kits

(2)

$149.00

Monkey Fabrication Garage - MFG

Billet Intercooler Ends Stubs MFG Custom

(9)

$14.69

Monkey Fabrication Garage - MFG

V-Band Flanges (No Clamp)

(7)

$14.52

Monkey Fabrication Garage - MFG

Barb, Weld On, Push Lock , Aluminum

(3)

$5.02

Monkey Fabrication Garage - MFG

3.5" Vband outlet clamp/flange for dual vband housings

(1)

$48.00

Monkey Fabrication Garage - MFG

Monkey Fab S400/GT42/GT45/GT55/PROMOD Compressor Flanges

$41.25

Monkey Fabrication Garage - MFG

Stainless Steel Pie Cuts (45*) Kit

(1)

$20.00

Monkey Fabrication Garage - MFG

Wastegate Provision Tubes - Laser Cut

(1)

$20.49

MAD Racing Parts

(269)

Ticon Industries

Titanium 45° Loose Radius Elbow

$69.99

Ticon Industries

HKS SSQV Titanium Blow Off Valve Flange

$79.99

Monkey Fabrication Garage - MFG

Billet Two-Piece Grommet

(3)

$26.50

Monkey Fabrication Garage - MFG

AN Tubing Adapter Fittings

(13)

$6.50

Monkey Fabrication Garage - MFG

Premium T6 Billet Divided Flange

$244.79

Monkey Fabrication Garage - MFG

AN Test plugs

$8.00

Billet Cone Reducer (Stainless & Aluminum)

Reviews

Delivery & Returns

Monkey Fabrication Garage - MFG

Reviews

Delivery & Returns

Monkey Fabrication Garage - MFG

You might also like

V Band Assembly, Aluminum, Quick disconnect Clamp

T6 to 3.00” tube billet turbo transition flange

Copper gasket V Band Assembly, Stainless Steel, Quick disconnect Clamp

Blow Off Valve BOV Flange

AN Hose, Braided Steel Black Nylon (by the foot)

MAVEN PERFORMANCE PRODUCTS

VS Racing Gen 3 Wastegates

O2 Bung Aluminum

High Temp 4-Ply Reinforced Straight Silicone Reducer

Turbosmart Raceport/Big Bubba Titanium Blow Off Valve Flange

Titanium Vanjen Weld Ferrule

AN Flare Cap

Titanium Transition Reducer - 1mm Thickness

T6 divided mild steel collector

Aluminum Clamshell Clamp Assemblies

T4 Billet Stainless tube adapter.

Ace Race Parts

T Bolt Clamps for Silicone Couplers

Silicone Coupler

AN Male To AN Male Reducer

BLOW OFF VALVE

VSR S400/GT42/GT45/GT55/PROMOD Compressor outlet V-band Assembly

3″ Vband & Clamp for 60 series

1.500" Flex Bellow (with Inner Liner) x 2.500" Overall Length - 304 Stainless

AN to Metric

AutoPlumb

Titanium 90° Tight Radius Elbow

AN Y Block

LOWDOLLER-MOTORSPORTS

AN Female to AN Male Reducer

V Band Assembly, Half and half SS & Aluminum, w/Clamp

T6 5” to 4” Marmon V-band reducer flange BW Style

Silicone Coupler Transitions

Stainless Steel Reducers

AN Weld On Bungs 304L Stainless Steel

STM Weld-On IAT Bung for Mopar & Ford

Scarlett's Solutions

Titanium 90° Loose Radius Elbow

PTFE AN Hose Ends Fittings Black

T6 divided stainless steel collector

VS Racing Gen 2 Wastegates

NPT plug

O2 Bung and Plug stainless 304L

Motion Raceworks

V-Band Clamp (Clamp only)

V-Band Flange s400 T4 1.25AR (Vs racing 7875, and similar) Turbine; turbo downpipe: 3.5" or 4.0" SS

AN Hose Ends, Black (for reg nylon/ steel braided hose)

2" (51mm) - 2.5" (63mm) 6061 Aluminium Cone Style Concentric Size Reducer

GM LS Alternator connector

Titanium 90* Bends

Aluminum HKS SSQ BOV Flange - 6061

Circle D Specialties

PTFE AN Hose Black (by the foot)

Female To Female, AN Union 0, 45, and 90 degree

Titanium 45° Tight Radius Elbow

Titanium Pie Cuts (45*) Kit

V Band Reducers

T6 Billet Flange to Dual Tube

Deutsch DT Connectors Sets, (with barrel pins)

AN Weld On Bungs Aluminum

Leash Electronics

Maven Turbo Mounts

Monkey Fab Wastegate Flanges (Inlet/Outlet)

High Temp Stainless Sight Glass

Bosch MAP/T Weld Bung

Titanium Tube,

AN Male to NPT

AN PUSHLOC Hose Ends, Black (for PUSHLOC hose)

Speed Engineering

Aluminum Tubing Kit Intercooler Kits

Billet Intercooler Ends Stubs MFG Custom

V-Band Flanges (No Clamp)