LS Engine Parts and Accessories

Hardin Billet Aluminum Flywheel GM (LS1-LS7)
Your Price:
$325.99

Hardin Billet Aluminum Flywheel GM (LS1-LS7)

755-8644

Hardin Billet Aluminum Flywheel GM (LS1-LS7)

Ring Gear Tooth Quantity:168-tooth, Rear Main Seal Style:1-piece, Flywheel Material:Aluminum

These precision billet aluminum flywheels deliver all of the strength and reliability that you desire with the light weight and advantages that only aluminum can provide. Lightweight Aluminum alloy flywheels can offer substantial benefits for certain situations such as light weight boats or racing boats that need rapid engine rpms instantaneously. These are recommended as replacements for factory-cast flywheels in high performance and racing applications. They're better for acceleration of heavier race boats. All Hardin flywheels are CNC-machined from certified materials.

  • Accepts Mercury couplers and heavy duty drive plates
  • Multi-point ring gear attachment
  • Light weight yet durable
  • Zero/neutral balance • 168 tooth gear
  • Bottom Mount Starter Flywheel
  • Weight: 12 lbs

Hardin Steel Billet Flywheel GM (LS1-LS7)
Your Price:
$295.99

Hardin Steel Billet Flywheel GM (LS1-LS7)

755-8643

Hardin Steel Billet Flywheel GM (LS1-LS7)

Ring Gear Tooth Quantity:168-tooth, Rear Main Seal Style:1-piece, Flywheel Material:Steel

These precision steel flywheels deliver all of the strength and reliability that you need in a performance application) Cast flywheels are porous units designed for low rpm truck and industrial applications) Steel provides a shatter free strength that could mean the difference between ripping your boat in half under way. These neutrally balanced units drilled to accept popular Mercruiser high Performance couplers.

  • Accepts Mercury couplers and heavy duty drive plates
  • Multi-point ring gear attachment
  • Zero/neutral balance • 168 tooth gear
  • Bottom Mount Starter Flywheel
  • Weight: 28 Lbs

Power Take Off Adapter - LS1 Chevy 1310 Flexplate
Your Price:
$99.99

Power Take Off Adapter - LS Chevy 1310 Flexplate

500-2000

Power Take Off Adapter - LS Chevy 1310 Flexplate

Uses 3/8-24 bolts on 2" x 2-3/8" centers

These flanges bolt on the flywheel or flexplate and accept 1310 spicer drivelines.  There are many more available, just call us. These power take offs are needed when attaching your drive shaft to your engine.


Power Take Off Adapter - LS1 Chevy 1310 Flywheel
Your Price:
$99.99

Power Take Off Adapter - LS Chevy 1310 Flywheel

500-2005

Power Take Off Adapter - LS Chevy 1310 Flywheel

Uses 3/8-24 bolts on 2" x 2-3/8" centers

These flanges bolt on the flywheel or flexplate and accept 1310 spicer drivelines.  There are many more available, just call us. These power take offs are needed when attaching your drive shaft to your engine.


Power Take Off Adapter - LS Chevy 1350 Flexplate
Your Price:
$110.99

Power Take Off Adapter - LS Chevy 1350 Flexplate

500-2010

Power Take Off Adapter - LS Chevy 1350 Flexplate

Uses 7/16-20 bolts on 2-3/8" x 2-7/8" centers

These flanges bolt on the flywheel or flexplate and accept 1350 spicer drivelines.  There are many more available, just call us. These power take offs are needed when attaching your drive shaft to your engine.


Power Take Off Adapter - LS Chevy 1350 Flywheel
Your Price:
$110.99

Power Take Off Adapter - LS Chevy 1350 Flywheel

500-2015

Power Take Off Adapter - LS Chevy 1350 Flywheel

Uses 7/16-20 bolts on 2-3/8" x 2-7/8" centers

These flanges bolt on the flywheel or flexplate and accept 1350 spicer drivelines.  There are many more available, just call us. These power take offs are needed when attaching your drive shaft to your engine.


LS1 14mm PTO 1310 Adapter Bolt Kit
Your Price:
$54.99

LS PTO 1310 Adapter Bolt Kit

500-2156

LS PTO 1310 Adapter Bolt Kit

This is a special metric bolt kit for 1310 LS PTO's.

Contains (6) M11x1.5x31 Bolts and (4) 3/8"-24 x 1" bolts


LS1 PTO 1350 Adapter Bolt kit
Your Price:
$54.99

LS PTO 1350 Adapter Bolt kit

500-2158

LS PTO 1350 Adapter Bolt kit

Contains (6) M11x1.5x31 Bolts and (4) 7/16"x1" bolts


Head Studs w/12-Point Nuts, SB Chevy LS1, LS6 5.7L/6.0L, 2004 Engines
Your Price:
$368.99

Head Studs w/12-Point Nuts, SB Chevy LS1, LS6 5.7L/6.0L, 2004 Engines

860-234-4317

Head Studs w/12-Point Nuts, SB Chevy LS1, LS6 5.7L/6.0L, 2004 Engines

Exact Tolerances for Perfect Alignment
Exact tolerances ensure that gaskets and cylinder heads just glide into position and align perfectly. Head Studs include hex nuts and are manufactured by from premium 8740 chrome moly steel and heat treated to 190,000 psi. They are thread rolled after the heat treating process, which vastly improves their fatigue tolerance compared to studs threaded before heat treatment. High-quality, parallel ground washers included.


Head Studs w/12-Point Nuts, SB ChevyLS1, LS6 5.7L/6.0L
Your Price:
$415.99

Head Studs w/12-Point Nuts, SB ChevyLS1, LS6 5.7L/6.0L

860-234-4316

Head Studs w/12-Point Nuts, SB ChevyLS1, LS6 5.7L/6.0L

Exact Tolerances for Perfect Alignment
Exact tolerances ensure that gaskets and cylinder heads just glide into position and align perfectly. Head Studs include hex nuts and are manufactured by from premium 8740 chrome moly steel and heat treated to 190,000 psi. They are thread rolled after the heat treating process, which vastly improves their fatigue tolerance compared to studs threaded before heat treatment. High-quality, parallel ground washers included.


Hi-Performance Head Bolt Kit, SBC Gen III/LS Series (2003 & Earlier)
Your Price:
$212.99

Hi-Performance Head Bolt Kit, SBC Gen III/LS Series (2003 & Earlier)

860-134-3609

Hi-Performance Head Bolt Kit, SBC Gen III/LS Series (2003 & Earlier) Hex Head

HIGH PERFORMANCE SERIES
High Performance head bolts are available with a reduced wrenching hex and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head re-torquing. All High Performance Series bolts are 170,000 psi (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.


Hi-Performance Head Bolt Kit, SBC Gen III/LS Series (2004 & Earlier)
Your Price:
$136.99

Hi-Performance Head Bolt Kit, SBC Gen III/LS Series (2004 & Earlier)

860-134-3610

Hi-Performance Head Bolt Kit, SBC Gen III/LS Series (2004 & Earlier) w/All Same Length Bolts

HIGH PERFORMANCE SERIES
High Performance head bolts are available with a reduced wrenching hex and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head re-torquing. All High Performance Series bolts are 170,000 psi (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.


SB Chevy LS1 pro-series hex head stud kit
Your Price:
$381.99

SB Chevy LS1 pro-series hex head stud kit

860-234-4110

SB Chevy LS1 pro-series hex head stud kit

Head Studs with Hex Nuts, SB Chevy LS1, LS6 5.7L/6.0L

Exact tolerances ensure that gaskets and cylinder heads just glide into position and align perfectly. ARP Head Studs include hex nuts and are manufactured by ARP from premium 8740 chrome moly steel and heat treated to 190,000 psi. They are thread rolled after the heat treating process, which vastly improves their fatigue tolerance compared to studs threaded before heat treatment. High-quality, parallel ground washers included.


LS1, LS6 5.7L & 6.0L balancer bolt kit
Your Price:
$36.99

LS1, LS6 5.7L & 6.0L balancer bolt kit

860-234-2503

LS1, LS6 5.7L & 6.0L balancer bolt kit

  • M16 x 2.0 Thread
  • 4.325" UHL
  • 1-1/16" Socket

To ensure the damper is locked into place, use these ultra-strong 200,000 psi bolts that exert maximum clamping force. Special features include 1/4" thick washers with an extra wide surface and tall 12-point heads that accept a deep socket to end the worry of stripping the head.


SB Chevy LS1 hi-perf Cracked Rod
Your Price:
$110.99

SB Chevy LS1 hi-perf Cracked Rod

860-134-6006

SB Chevy LS1 hi-perf Cracked Rod

These are undeniably the strongest, most reliable OEM-replacement rod bolts available! Forged from 8740 chrome moly, you are guaranteed maximum durability, especially when combined with 's innovative manufacturing technology. Choose from new Wave-Loc or standard knurled design. 190,000 psi.


Gauge Install Kit for LS Engines
Your Price:
$39.95

Gauge Install Kit for LS Engines

865-5284

AutoMeter's GM LS engine gauge installation kits feature specialized components to ease the installation of an LS engine into your boat. Includes a full color installation guide that not only details the use of the included metric adapter fittings, short depth temperature sensor, and tachometer resistor, but also covers installation procedures for other commonly monitored parameters.

 Each kit includes:

  • 12mm x 1.5 to 1/8 in. NPT adapter 
  • 16mm x 1.5 to 1/8 in. NPT adapter 
  • Low profile electric temperature sender
  • 10K 1/2 watt resistor (tach function)

LS Plug & Play Harness with Tach Adapter
Your Price:
$195.95

LS Plug & Play Harness with Tach Adapter

865-9123

LS Plug & Play Harness with Tach Adapter

This Plug and Play solution lets you quickly and easily install the 105-9117 Tach Adapter onto your LS-derived engine.

    Features:
  • Does not alter factory wiring
  • Plugs into factory ignition coil connectors
  • Sealed connector plug

Wire Harness, Plug & Play GM LS Engines
Your Price:
$95.95

Wire Harness, Plug & Play GM LS Engines

865-2189

Wire Harness, Plug & Play GM LS Engines, for #9117 Tachometer Adapter

    Features:
  • Does not alter factory wiring
  • Plugs into factory ignition coil connectors
  • 3ft harness length
  • Flying leads to hardwire Auto Meter 9117 Tach Adapter

If you’ve tried to get your tach to function after an LS swap, you know that it isn’t always a simple procedure. Save time, frustration and don't make a single cut in your factory wiring with Auto Meter’s Plug and Play LS Tach Harness. This Plug and Play solution lets you quickly and easily install the Auto Meter 9117 Tach Adapter onto your LS-derived engine. OEM spec connectors and wiring assure a hassle free installation that takes minutes rather than hours. No splicing, cutting or risks of voiding your vehicle's warranty. It’s completely reversible and couldn’t be easier. Get the best possible results in the least amount of time with the solution guaranteed to work right, the first time.