Fluidampr 94-99 Nissan Skyline R33 RB25DET (Non NEO) Steel Internally Balanced Damper

SKU: FDR610931

Harmonic Balancers

FDR Dampers - Import

Fluidampr

Fluidampr 94-99 Nissan Skyline R33 RB25DET (Non NEO) Steel Internally Balanced Damper

SKU: FDR610931

Harmonic Balancers

FDR Dampers - Import

Sale ends in Calculating... Tue 13 Oct, 7:04 am AEST

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Protect your engine. Modifications can compromise your stock harmonic balancer. Install a Fluidampr performance damper early for best durability. Superior viscous damper design controls harmful torsional vibration across the entire rpm range. Reduce wear on engine components. Reduce risk of crankshaft failure. Improve timing. Unleash lost torque and horsepower. Precision CNC machined and balanced high-grade steel components. Corrosion resistant black zinc finish with engraved timing marks. No maintenance required. Trusted by leading engine builders worldwide. SFI 18.1 certified. Made in USA.

Product Overview

Features and Benefits

Broad RPM range protection.
Reduce risk of crankshaft failure.
Reduce wear on critical engine parts.
Unleash lost torque & horsepower.
No maintenance required
SFI 18.1 spec. Made in USA.

Product Details

Bolt and Washer Included:	No
Degree Marking Range:	TDC. 6 marks, 5 deg
Degree Markings:	Engraved
Depth:	2.625
Description:	Fluidampr 94-99 Nissan Skyline R33 RB25DET (Non NEO) Steel Internally Balanced Damper
Drive Belt Type:	Serpentine
Engine Balance:	Internal
Finish:	Black Zinc
Inside Diameter:	1.326
Keyway Type:	Yes
Material:	Steel
Mounting Hole Quantity:	1
Outside Diameter:	6-1/8"
Part Number:	fdr610931
Prop 65 (C, R, or CR):	CR
Prop 65 - Short Label:	CA-Prop65-label.jpg
Prop 65 Yes/No:	Yes
Pulley Groove Quantity:	4 rear, 4 middle, 3 front
Safety Rating:	SFI 18.1
Title:	Fluidampr - 610931 - Harmonic Balancer - Fluidampr-Nissan RB25DET NON NEO
Weight / Rotating Weight:	10.5 lbs / 6.9 lbs

Application Summary

Nissan RB25DET NON NEO R33

Part Type

Engine Harmonic Balancer

Data: v4.2 - Upd: 2026-10-12 09:21:04

Features

Broad RPM range protection.
No maintenance required
Reduce risk of crankshaft failure.
Reduce wear on critical engine parts.
SFI 18.1 spec. Made in USA.
Unleash lost torque & horsepower.

Specifications

Product Attributes - Brand: Fluidampr
Product Attributes - Manufacturer's Part Number: 610931
Product Attributes - Part Type: Harmonic Balancers
Product Attributes - Product Line: Fluidampr Harmonic Dampers
Product Attributes - UPC: 815293003801
Product Attributes - Engine Balance: Internal
Product Attributes - SFI Rating: SFI 18.1
Product Attributes - Degree Markings: No
Product Attributes - Outside Diameter (in.): 6.125
Product Attributes - Crankshaft Pulley Bolt Hole Quantity: Three
Product Attributes - Groove Quantity: 4, 4, 3
Product Attributes - Keyway Quantity: One
Product Attributes - Harmonic Balancer Material: Steel
Product Attributes - Harmonic Balancer Construction: Fluid
Product Attributes - Harmonic Balancer Color: Black zinc chromate
Product Attributes - Mounting Hardware Included: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: Fits the Nissan 2.5L RB25DET Non-Neo motor from the R33 Skyline.

Reference Information

Brand Name/s	Fluidampr
StreetFX SKU	fdr610931
SFX Item ID	4403686
Supplier Item Code	4403686
Manufacturer SKU	610931
Manufacturer UPC	815293003801
Alternative References	FLU610931, R33, RB25DET