Hydraulic - jet with A-B impeller, bracket race and performance use, 2200-6500 RPM

Note: These are non returnable

Hydraulic - jet with A-B impeller, bracket race and performance use, 2200-6500 RPM

Note: These are non returnable

Small Block Chevy 7/16" diameter, 5/8" head

As the crankshaft flexes and twists, the damper absorbs incredible amounts of kinetic energy. To ensure that the damper is locked in position, ARP has developed these ultra strong 200,000 psi bolts let you exert maximum clamping force to ensure that the balancer is locked in position. Extra tall 12-point head accepts deep sockets. Includes 1/4" thick wide area washer.

NGK AR6FS (Priced Each. Must be sold in quantities of 10) Mercruiser 33-813425.

Supersedes: 33-54980
33-61783

GUIDE Mercruiser 8M0073425

Supercedes: 888682

SB Chevy harmonic balancer bolt kit

• 7/16"-20 Thread
• 2.470" UHL
• 13/16" 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 harmonic balancer bolt kit

• 7/16"-20 Thread
• 2.470" 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.

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 square drive balancer bolt kit

This is a special version of 's rugged 200,000 psi damper bolt that can accept a standard 1/2'' drive ratchet or breaker bar to facilitate rotating the crank assembly. Made by from heat-treated 8740 chrome moly with heavy-duty black oxide finish.

Interchanges/Replaces

Mercury Marine

• 84188M
• 84188T

Yamaha Outboard

• 663-W0078-00-00
• 663-W0078-A0-00

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0256	Yamaha Outboard 91290-08045-00 97095-08045-00 97290-08045-00 97370-08045-00 97395-08045-00	2	Bolt		N/A
18-0292	Mercury Marine 27-81417 27-81417M Yamaha Outboard 663-44315-00-00 663-44315-A0-00	1	Wear Plate to Pump Housing Gasket		N/A
18-0294	Mercury Marine 27-81421M Yamaha Outboard 663-44324-00-00 663-44324-A0-00	1	Wear Plate to Pump Base Gasket		N/A
18-3069	GLM 89910 Mallory 9-45602 9-45602-10 Mercury Marine 47-81423M 47-82824M 47-97108M Yamaha Outboard 697-44352-00-00 6H2-44352-00-00	1	Impeller		N/A
18-3435	Mercury Marine 81419M Yamaha Outboard 663-44322-00-00	1	Insert Cup		N/A
18-3436	Mercury Marine 81420M Yamaha Outboard 663-44323-00-00	1	Wear Plate		N/A
18-3297	Mercury Marine 28-97089M Yamaha Outboard 90280-03M03-00 90280-03M07-00	1	Impeller Key		N/A
18-1830	Mercury Marine 26-81426M Yamaha Outboard 663-44366-00-00	1	Water Seal Damper		N/A
NSS	Yamaha Outboard 97095-08055-00	2	Bolt	No Image	N/A