LS Engine Parts and Accessories - Flywheels and Power Take-Offs

ls bolt kits
COUPLER ASSY Mercruiser 861523A9
Your Price:
$586.50

This Part has options, please click the button below to order.

HP Bravo Drive Coupler 8M0098795, 861523A9

525-8M0098795

Mercruiser HP Bravo Drive Coupler 8M0098795

  • Replaces Mercruiser # 8M0098795 and 861523A9
  • For use with Bravo Drives
  • High Performance Coupler
Note: Always make sure when installing a new coupler that the engine is aligned properly, failure to do so will greatly reduce lifespan.

Stock Replacement Mercury Bravo Bellhousing
Your Price:
$299.99

Stock Replacement Mercury Bravo Bellhousing

525-57621

Stock Replacement Mercury Bravo Bellhousing

This is a stock replacement bellhousing that replaces MerCruiser #865657A04 

Hardin Billet Aluminum Flywheel - Internal Balance for GM LS1-LS7 (Bottom Mount Starter)
Your Price:
$325.99

Hardin Billet Aluminum Flywheel - Internal Balance for GM LS1-LS7 (Bottom Mount Starter)

755-8644

Hardin Billet Aluminum Flywheel Internal Balance for 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 Flywheel - Internal Balance for GM LS1-LS7 (Bottom Mount Starter)
Your Price:
$295.99

Hardin Steel Flywheel - Internal Balance for GM LS1-LS7 (Bottom Mount Starter)

755-8643

Hardin Steel Flywheel Internal Balance 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:
$129.99

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.


1310 Spicer Bolt Pattern To Jet Pump Spline
Your Price:
$197.99

1310 Spicer Bolt Pattern To Jet Pump Spline

500-0844

1310 Spicer Bolt Pattern To Jet Pump Spline

  • Overall length: 7-1/2"
  • Spline Shaft: 1-3/8"
  • Flange Mount: 2" x 2-3/8"
  • Uses 3/8-24 bolts

This unit bolts to the PTO flange. This is the most standard u-joint assembly found in production style boats.
Note: The overall length does not include the PTO flange which is and additional one inch thick.


Jet H-Bar 1350 Driveline
Your Price:
$329.99

Jet H-Bar 1350 Driveline

500-0845

Jet H-Bar 1350 Driveline

  • Overall Length: 8-1/8"
  • Spline Shaft: 1-3/8"
  • Flange Mount: 2-3/8" x 2-7/8"
  • Uses 7/16-20 bolts.

This unit bolts to the PTO flange. Used for heavy duty jet H-bar for 600 horsepower and up.
Note: The overall length does not include the PTO flange which is and additional one inch thick.


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


LS1 14mm PTO 1310 Adapter Bolt Kit
Your Price:
$69.99

LS PTO 1310 Adapter Long Bolt Kit

500-2160

LS PTO 1310 Adapter Bolt Kit

This is a special metric long bolt kit for 1310 LS PTO's. See additional info below for fitment.

Contains (6) M11x1.5x44 Bolts and (4) 3/8"-24 x 1" bolts


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

LS PTO 1350 Adapter Long Bolt Kit

500-2162

LS PTO 1350 Adapter Bolt Kit

This is a special metric long bolt kit for 1350 LS PTO's. See additional info below for fitment.

Contains (6) M11x1.5x44 Bolts and (4) 7/16" x 1" bolts