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Southern Rods & Parts

Jam Nuts

QA1 offers steel jam nuts for industrial markets. Jam nuts are usually half the width of a standard nut and are commonly jammed up against a rod end or linkage tube to lock the two components into place. Available in both inch and metric dimensions.

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MAIN ENGINE HARNESS FOR 58X LS W/TBI Main Harness for us with 58x/4x Gen 4 LS with Terminator Throttle Body Fuel Injection
MAIN ENGINE HARNESS FOR 58X LS W/TBI Main Harness for us with 58x/4x Gen 4 LS with Terminator Throttle Body Fuel Injection
Part Number: 558-112
$699.95
Main Engine Harness for 24x LS w/TBI Main Harness for us with 24x/1x Gen 3 LS with Terminator Throttle Body Fuel Injection
Main Engine Harness for 24x LS w/TBI Main Harness for us with 24x/1x Gen 3 LS with Terminator Throttle Body Fuel Injection
Part Number: 558-111
$699.95
Holley EFI Ford Coyote Engine Main Harness w/ Ti-VCT and stock coils (2011-2017) Coyote Engine Main Harness compatible with 2011-2017 Ti-VCT Coyote Engines
Holley EFI Ford Coyote Engine Main Harness w/ Ti-VCT and stock coils (2011-2017) Coyote Engine Main Harness compatible with 2011-2017 Ti-VCT Coyote Engines
Part Number: 558-110
$849.95
Ford 2V & 4V Modular Main Harness Ford 2V & 4V Modular Main Harness, For HP EFI & Dominator EFI
Ford 2V & 4V Modular Main Harness Ford 2V & 4V Modular Main Harness, For HP EFI & Dominator EFI
Part Number: 558-108
$799.95
Unterminated Universal Main Harness Unterminated Universal Main Harness for HP EFI & Dominator EFI
Unterminated Universal Main Harness Unterminated Universal Main Harness for HP EFI & Dominator EFI
Part Number: 558-105
$528.95
Universal MPFI Main Harness Universal MPFI Main Harness for HP EFI & Dominator EFI
Universal MPFI Main Harness Universal MPFI Main Harness for HP EFI & Dominator EFI
Part Number: 558-104
$528.95
LS2/3/7+ (58x/4x) Engine Main Harness LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI
LS2/3/7+ (58x/4x) Engine Main Harness LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI
Part Number: 558-103
$632.95
LS1/6 (24x/1x) Engine Main Harness LS1/6 Main Harness for HP EFI & Dominator EFI
LS1/6 (24x/1x) Engine Main Harness LS1/6 Main Harness for HP EFI & Dominator EFI
Part Number: 558-102
$632.95
TPI/Stealth Ram Main Harness TPI/Stealth Ram? Main Harness for Avenger EFI, HP EFI & Dominator EFI
TPI/Stealth Ram Main Harness TPI/Stealth Ram? Main Harness for Avenger EFI, HP EFI & Dominator EFI
Part Number: 558-101
$632.95
Holley EFI High Flow Dual Solenoid Boost Control Kit High Flow Boost Control Dual Solenoids
Holley EFI High Flow Dual Solenoid Boost Control Kit High Flow Boost Control Dual Solenoids
Part Number: 557-201
$449.95
3 Port Solenoid Valve 3 Port Boost Control Solenoid Valve
3 Port Solenoid Valve 3 Port Boost Control Solenoid Valve
Part Number: 557-200
$118.95
Solenoid/Nozzle 1000cc/min (800HP) Solenoid/Nozzle 1000cc/min (800HP)
Solenoid/Nozzle 1000cc/min (800HP) Solenoid/Nozzle 1000cc/min (800HP)
Part Number: 557-106
$449.95
Water Methanol Installation Kit Installation Kit
Water Methanol Installation Kit Installation Kit
Part Number: 557-101
$158.95
Water Methanol Pump High Pressure Water Methanol Pump
Water Methanol Pump High Pressure Water Methanol Pump
Part Number: 557-100
$226.95
6.25-Inch 12-1x Crank Trigger Wheel For SBC and LS
6.25-Inch 12-1x Crank Trigger Wheel For SBC and LS
Part Number: 556-185
$299.95
6.56-Inch 12-1x Crank Trigger Wheel
6.56-Inch 12-1x Crank Trigger Wheel
Part Number: 556-184
$299.95
6.56-Inch 12-1x Crank Trigger Wheel For Gen III and IV LS
6.56-Inch 12-1x Crank Trigger Wheel For Gen III and IV LS
Part Number: 556-183
$299.95
7.25-Inch 12-1x Crank Trigger Wheel For Gen III and IV LS
7.25-Inch 12-1x Crank Trigger Wheel For Gen III and IV LS
Part Number: 556-182
$299.95
7-Inch 12-1x Crank Trigger Wheel Universal
7-Inch 12-1x Crank Trigger Wheel Universal
Part Number: 556-181
$299.95
8-Inch 12-1X Crank Trigger Wheel Universal
8-Inch 12-1X Crank Trigger Wheel Universal
Part Number: 556-180
$299.95
6.56-Inch 12-1X Crank Trigger Kit, LS, Hall Effect
6.56-Inch 12-1X Crank Trigger Kit, LS, Hall Effect
Part Number: 556-176
$649.95
7.25-Inch 12-1X Crank Trigger Kit, LS, Hall Effect For Gen III and IV LS
7.25-Inch 12-1X Crank Trigger Kit, LS, Hall Effect For Gen III and IV LS
Part Number: 556-175
$649.95
8-Inch 12-1X Crank Trigger Kit, LS, Hall Effect For Gen III and IV LS
8-Inch 12-1X Crank Trigger Kit, LS, Hall Effect For Gen III and IV LS
Part Number: 556-174
$649.95
7-Inch 12-1X Crank Trigger Kit, Coyote, Hall Effect For Coyote, Requires Custom Ignition Type in Holley EFI Software.
7-Inch 12-1X Crank Trigger Kit, Coyote, Hall Effect For Coyote, Requires Custom Ignition Type in Holley EFI Software.
Part Number: 556-173
$749.95
6.56-Inch 12-1X Crank Trigger Kit, SBF, Hall Effect For Small Block Ford
6.56-Inch 12-1X Crank Trigger Kit, SBF, Hall Effect For Small Block Ford
Part Number: 556-172
$649.95
7-Inch 12-1X Crank Trigger Kit, SBC, Hall Effect For Small Block Chevrolet
7-Inch 12-1X Crank Trigger Kit, SBC, Hall Effect For Small Block Chevrolet
Part Number: 556-171
$649.95
8-Inch 12-1X Crank Trigger Kit, BBC, Hall Effect For Big Block Chevrolet
8-Inch 12-1X Crank Trigger Kit, BBC, Hall Effect For Big Block Chevrolet
Part Number: 556-170
$649.95
HOLLEY EFI GEN III HEMI SMART COILS Black, 8-Pack
HOLLEY EFI GEN III HEMI SMART COILS Black, 8-Pack
Part Number: 556-163
$456.95
HOLLEY EFI GENIII HEMI SMART COILS Black, Single Coil
HOLLEY EFI GENIII HEMI SMART COILS Black, Single Coil
Part Number: 556-162
$58.95
HOLLEY EFI COYOTE SMART COIL Black, 8-Pack
HOLLEY EFI COYOTE SMART COIL Black, 8-Pack
Part Number: 556-161
$799.95
SNIPER EFI HYPERSPARK CD IGNITION BOX - SERVICE HARNESS
SNIPER EFI HYPERSPARK CD IGNITION BOX - SERVICE HARNESS
Part Number: 556-156
$33.63
Sniper EFI Canister Ignition Coil Black
Sniper EFI Canister Ignition Coil Black
Part Number: 556-153
$63.05
Sniper EFI HyperSpark Ignition Coil Ignition Coil
Sniper EFI HyperSpark Ignition Coil Ignition Coil
Part Number: 556-152
$61.19
Big Wire Coil-Near-Plug Smart Coil Kit HOLLEY SMART COIL ? HIGH HORSEPOWER C-N-P V8 KIT
Big Wire Coil-Near-Plug Smart Coil Kit HOLLEY SMART COIL ? HIGH HORSEPOWER C-N-P V8 KIT
Part Number: 556-128
$749.95
Coil-Near-Plug Smart Coil Kit HOLLEY SMART COIL - C-N-P V8 KIT
Coil-Near-Plug Smart Coil Kit HOLLEY SMART COIL - C-N-P V8 KIT
Part Number: 556-127
$699.95
Universal 36-1 Crank Trigger Wheel 8 inch 36-1 Tooth Universal Trigger Wheel Part # 556-125 Be the first to write a review
Universal 36-1 Crank Trigger Wheel 8 inch 36-1 Tooth Universal Trigger Wheel Part # 556-125 Be the first to write a review
Part Number: 556-125
$275.95
Universal Cam Sync Systems Early Model Small and Big Block Fords
Universal Cam Sync Systems Early Model Small and Big Block Fords
Part Number: 556-123
$368.95
Cam Sync Kit, +600/1.0 inch Raised Cam Big Block Chevy w/ +600/1.0 Inch Raised Cam Height, For external, dry timing-belt, cam drive systems
Cam Sync Kit, +600/1.0 inch Raised Cam Big Block Chevy w/ +600/1.0 Inch Raised Cam Height, For external, dry timing-belt, cam drive systems
Part Number: 556-121
$359.95
Cam Sync Kit, +.400" Raised Cam Big Block Chevy engines with a +.400" raised cam height & (Jesel or similar) external, dry timing-belt, cam drive system
Cam Sync Kit, +.400" Raised Cam Big Block Chevy engines with a +.400" raised cam height & (Jesel or similar) external, dry timing-belt, cam drive system
Part Number: 556-120
$368.95
Cam Sync Kit w/ Bracket Small Block Chevy w/ standard cam height, For external, dry timing-belt, cam drive systems
Cam Sync Kit w/ Bracket Small Block Chevy w/ standard cam height, For external, dry timing-belt, cam drive systems
Part Number: 556-119
$349.95
Holley EFI Crank Trigger System - SBC 36-1 Tooth Crank Trigger System for Small Block Chevy
Holley EFI Crank Trigger System - SBC 36-1 Tooth Crank Trigger System for Small Block Chevy
Part Number: 556-116
$749.95
Holley EFI Crank Trigger System - SBF 36-1 Tooth Crank Trigger System for Small Block Ford
Holley EFI Crank Trigger System - SBF 36-1 Tooth Crank Trigger System for Small Block Ford
Part Number: 556-115
$675.95
Cam Sync Kit w/ Bracket Big Block Chevy w/ standard cam height, For external, dry timing-belt, cam drive systems
Cam Sync Kit w/ Bracket Big Block Chevy w/ standard cam height, For external, dry timing-belt, cam drive systems
Part Number: 556-114
$349.95
Holley EFI Crank Trigger System - BBC 36-1 Tooth Crank Trigger System for Big Block Chevy
Holley EFI Crank Trigger System - BBC 36-1 Tooth Crank Trigger System for Big Block Chevy
Part Number: 556-113
$649.95
Coil-Near-Plug Smart Coil For Dominator, HP ECU's, and other EFI systems
Coil-Near-Plug Smart Coil For Dominator, HP ECU's, and other EFI systems
Part Number: 556-112
$92.59
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