Oldsmobile Custom Cruiser Engine Harmonic Balancer Replacement

Hollow Back Part Type: Solid Outer Diameter: 6.74 in ATP Number: 102069 ATP Availability: Available to Order Pioneer Number: DA-3051 Pioneer Availability: Available to Order

Description: Hollow Back Part Type: Solid Outer Diameter: 6.74 in

Part Type: Solid Outer Diameter: 6.79 in ATP Number: 102037 ATP Availability: Available to Order Pioneer Number: DA-4551 Pioneer Availability: Available to Order

Part Type: Solid Outer Diameter: 6.50 in ATP Number: 102122 ATP Availability: Discontinued Pioneer Number: N/A Pioneer Availability: N/A ATP: Discontinuation / supersession date: 2020-11-24 ATP: Obsolete On: 2022-11-24 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368

Direct Replacement

Fits SB Chevy Engines;Internally Balanced; Diameter:6 3/4-in.; Finish:Natural; Material:Nodular Iron

Fits SB Chevy Engines;Internally Balanced; Diameter:8-in.; Finish:Natural; Material:Nodular Iron

Externally Balanced; Diameter:8-in.; Finish:Natural; Material:Nodular Iron

6.50 in. OD; External Balance; Black

SFI Spec 18.1; Steel/Elastomer; External Balance; 6.75 in. OD; Black

SFI Spec 18.1 Steel/Elastomer Internal Balance 8.0 in. OD Black

SFI Spec 18.1; Steel/Elastomer; External Balance; 6.50 in. OD; Black

SFI Spec 18.1; Steel/Elastomer; External Balance; 8.0 in. OD; Removable C/Weight; Black

SFI Spec 18.1 Steel/Silicone Gel Internal Balance 7.25 in. OD Removable Hub Grade 12.9 Fasteners Black [Except 5.7L]

SFI Spec 18.1; Steel/Silicone Gel [Running Design Change]; External Balance; 7.25 in. OD; Black

Description: 4 Bolt Hub; W/ 50 oz Weight Part Type: Solid Outer Diameter: 6.79 in

Bore Dia. Min/Max: 1.3722 / 1.3732 Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270 Degree Markings: Yes Engine Balance: Internal Finish: Black Zinc Keyway: Single Length: 2.837 Material: Steel Mounting Hardware Incl.: No O.D.: 6-5/8" (6.625) Safety Rating: SFI 18.1 WT. in lbs.()=Rotating weight: 10.4 (7.0 Rwt) 4 bolt pattern on 3.300 circle. Holes in pulley must be re-drilled. '69-later timing cover & pulleys may be required on Early Models.

Bore Dia. Min/Max: 1.4980 / 1.4985 Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270 Degree Markings: Yes Engine Balance: External (25 oz) Finish: Black Zinc Keyway: Single Length: 3.04 Material: Steel Mounting Hardware Incl.: No O.D.: 6-5/8" (6.625) Safety Rating: SFI 18.1 WT. in lbs.()=Rotating weight: 12.8 (8.5 Rwt) Big Block

Part Type: Solid Outer Diameter: 6.74 in