Pontiac GTO Engine Harmonic Balancer Replacement

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

Direct Replacement

Groove Qty. 4, 6 Part Type: Double Serpentine Outer Diameter: 7.52 in ATP Number: 102058 ATP Availability: Available to Order Pioneer Number: DA-3507 Pioneer Availability: Available to Order

Direct Replacement

Description: Groove Qty. 4, 6 Part Type: Double Serpentine Outer Diameter: 7.52 in

SFI Spec 18.1; Steel/Elastomer; Internal Balance; 6.90 in. OD; Black

Bore Dia. Min/Max: 1.4818 / 1.4828 Degree Markings: No Engine Balance: Internal Finish: Black Zinc Keyway: None Length: 2.637 Material: Steel Mounting Hardware Incl.: No O.D.: 6-1/4" (6.25) Safety Rating: SFI 18.1 WT. in lbs.()=Rotating weight: 7.9 (5.3 Rwt)

SFI Spec 18.1; Steel/Silicone Gel

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

Bore Dia. Min/Max: 1.4818 / 1.4828 Degree Markings: No Engine Balance: Internal Finish: Black Zinc Keyway: None Length: 3.654 Material: Steel Mounting Hardware Incl.: No O.D.: 7-1/2" (7.500) Pulley Finish: Hard Coat Anodized Safety Rating: SFI 18.1 WT. in lbs.()=Rotating weight: 10.5 ( 7.7 Rwt)

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.

Part Type: Solid Outer Diameter: 6.74 in

7.52 in. Double Serpentine Groove Qty. 4, 6 SFI RACE

Hub; Inner Shell; Damper Assembly; Outer Shell; Crank Pulley Bolts; Hardware