PRW 1634680 PQ Series SFI Billet Steel Flywheel 1998-2008 Chevrolet LS1-LS6 5.7L Internal 168 Tooth 30 lbs. Each

PRW Chevy SFI Steel Flywheels

Description:
PRW SFI-Rated flywheels raise the bar in the high performance industry. The combination of top quality and reasonable pricing sets new standards. We know that when you receive your new PRW performance components, you will have no trouble seeing what the excitement is all about.
These SFI-Rated Flywheels are engineered to handle extreme duty applications and designed to take the punishment of today's high horsepower engines. PRW billet steel flywheels are CAD engineered and precision CNC machined to strict tolerances. The choice of 5 out of 6 winning engine builders at the Engine Master Challenge four years running, PRW billet steel flywheels were awarded "Best New Product of the Year" at the 2006 Hotrod & Restoration Show. Every flywheel is engineered for excellence and rigorously inspected throughout the manufacturing cycle to ensure that our customers receive the quality that they have come to expect from PRW products.

Benefits/Characteristics:
SFI certified
Manufactured from 1045 Billet Steel
CAD Engineering and CNC Machined
Award winning designs year-after-year

1628300
Model: Chevrolet 262-454 Small Block V6/V8 1955-85, 1955-85 Big Block V8 396-427, and "W" Block 348-409
Specifications: 168 Tooth, Lightweight 21.4 lbs, Internal Balance
Clutch Application Notes:
Not For Use w/Stock Clutch Disc, use 10 1/2" Ram Clutch and Pressure Plate, 605-301M or 605-1021 Only.
This flywheel is not compatible with stock type sprung hub clutch discs (5 or 6 springs). A performance type disc with 8 springs must be used. Or aftermarket flywheel bolts like ARP or Mr. Gasket will work with the 5 or 6 spring clutch.
Performance and SFI-approved flywheels must be used with performance clutch discs only. Use of a stock-style clutch disk with a performance flywheel will often result in insufficient operating clearance between the disc hub and flywheel bolts.

1635080
Model: Chevrolet 265-427 Small Block, (Except 400) & Big Block 396-427 & W Block 348-409
Years: 1955-1985
Specifications: 168 Tooth, 2 piece rear seal, Internal Balance
Notes:
10", 10.5", 10.95" B&B-Diaph
11", 12" B&B-Diaph
11" Long with 5/16" Bolts

1626500
Model: Chevrolet 265-427
Years: 1955-1987
Specifications: 153 Teeth, SFI BILLET STEEL, Small Block, Circle Track Spec 18 lbs, Internal Balance
Notes:
Not For Use w/Stock Clutch Disc, use 10 1/2" Ram Clutch and Pressure Plate, 605-301M or 605-1021 Only.
This flywheel is not compatible with stock type sprung hub clutch discs (5 or 6 springs). A performance type disc with 8 springs must be used. Or aftermarket flywheel bolts like ARP or Mr. Gasket will work with the 5 or 6 spring clutch.
Performance and SFI-approved flywheels must be used with performance clutch discs only. Use of a stock-style clutch disk with a performance flywheel will often result in insufficient operating clearance between the disc hub and flywheel bolts.

1632780
Model: Chevrolet 327-427 (Except 400)
Years: 1963-1985
Specifications: 153 Teeth, Small Block, 29 lbs., 2 piece seal, Internal Balance
Notes:
Fits 10", 10.5", 10.95" B & B Diaph
10" & 10.5" Long
10" Diaph

1640071
Model: Chevrolet 383-400
Years: 1970-8195
Specifications: 153 Tooth, Small Block, 29 lbs, External Balance
Notes:
Fits 10", 10.5", 10.95" B & B Diaph
10" & 10.5" Long
10" Diaph

1640081
Model: Chevrolet 383-400 Small Block
Years: 1970-1985
Specifications: External Balance with 24.45 in-oz removable weight, 33 lbs, 168 Teeth
Notes:
Fits 10", 10.5", 10.95" B & B Diaph
11", 12" B & B Diaph
11" Long with 5/16" Bolts

1645471
Model: Chevrolet 454
Year: 1970-1990
Specifications: 153 Teeth, Big Block 33in-oz. removable weight, 29 lbs, External Balance
Clutch Application Notes:
Fits 10", 10.5", 10.95" B & B Diaph
10" & 10.5" Long
10" Diaph

1645480
Model: Chevrolet 454
Years: 1970-1990
Specifications: 168 Tooth, Big Block, 31lbs, Internal Balance
Notes:
Fits 10", 10.5", 10.95" B & B Diaph
11", 12" B & B Diaph
11" Long with 5/16" Bolts

1645481
Model: Chevrolet 454 Big Block
Years: 1970-1990
Specifications: 168 Tooth, 33 in.-oz. removable weight, 31 lbs, Big Block, External Balance Balance
Clutch Application Notes:
10", 10.5", 10.95" B&B-Diaph
11", 12" B&B-Diaph
11" long with 5/16" Bolts

1630580
Model: Chevrolet 305-350
Years: 1986-1992
Specifications: 153 Teeth, Small Block, 29 lbs., 1 piece seal, Internal Balance
Notes:
Fits 10", 10.5", 10.95" B & B Diaph
10" & 10.5" Long
10" Diaph
 
1630581
Model: Chevrolet 305-350
Years: 1986-1992
Specifications: 153 Tooth, 29lbs. 1 pc rear seal, External Balance, removable counterweight
Clutch Application Notes:
Fits 10", 10.5", 10.95" B & B Diaph
10" & 10.5" Long
10" Diaph

1645482
Model: Chevrolet 454
Years: 1990-2000
Specifications: 168 Tooth, Big Block, 31lbs, 42.54 in-oz. removable weight, External Balance
Notes:
Fits 10", 10.5", 10.95" B & B Diaph
11", 12" B & B Diaph
11" Long with 5/16" Bolts

1645472
Model: Chevrolet 454-502
Years: 1990-2000
Specifications: 153 Tooth, Big Block, 42.54 in-oz removable weight, 29 lbs., External Balance
Clutch Application Notes:
Fits 10", 10.5", 10.95" B & B Diaph
10" & 10.5" Long
10" Diaph

1650272
Model: Chevrolet 502
Years: 1991-Current
Specifications: Big Block, Steel Crank, External Balance, 42.54 in-oz removable weight, 29 lbs, 153 Tooth
Clutch Application Notes:
Fits 10", 10.5", 10.95" B & B Diaph
10" & 10.5" Long
10" Diaph

1650282
Model: Chevrolet 502
Years: 1991-Current
Specifications: 168 Tooth, Big Block, Steel Crank, 42.54 in-oz. removable weight, 31 lbs, External Balance
Notes:
Fits 10", 10.5", 10.95" B & B Diaph
11", 12" B & B Diaph
11" Long with 5/16" Bolts

1634680
Model: GM LS Series (LS1-LS6) 5.7L OEM Replacement
Years: 1998-2008
Specifications: 168 Teeth, 30 lbs., Internal Balance
Notes:
Fits 11", 12" B & B Diaph
12" LS1 Diaph with 100mm Bolts

1645400
Model: Chevrolet 396-454
Years: 1970-1990
Specifications: 168 Tooth, Big Block, 33lbs., External Balance