Pontiac Sunbird Engine Harmonic Balancer Replacement

This part does not include the pulley.

Direct Replacement

Part Type: Solid Outer Diameter: 6.73 in ATP Number: 102075 ATP Availability: Available to Order Pioneer Number: DA-3071 Pioneer Availability: Available to Order Pioneer Supersession: Replaces DA-3071-HD

Part Type: Solid Outer Diameter: 6.73 in Supersession: Replaces DA-3071-HD

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

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

SFI Spec 18.1 Steel/Elastomer Internal Zero Balance 6.10 in. OD Specialty SBC Lightweight Black

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

Bore Dia. Min/Max: 1.245 / 1.246 Degree Marking Range: 40 BTDC to 10 ATDC. Additional timing/degree amrks at 90, 180 and 270 Degree Markings: Yes Engine Balance: Internal Finish: No Finish Keyway: Single Length: 2.335 Material: Steel Mounting Hardware Incl.: No O.D.: 6-7/8" (6.875) Safety Rating: Not SFI Approved WT. in lbs.()=Rotating weight: 10.4 (6.9 Rwt) SMALL BLOCK GEN 1

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

Bore Dia. Min/Max: 1.245 / 1.246 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: 2.335 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) GENERATION I LATE MODEL SMALL BLOCK, INT. BAL.

Part Type: Solid Outer Diameter: 6.75 in

Bore Dia. Min/Max: 1.245 / 1.246 Degree Marking Range: 50 degree BTDC to 10 degree ATDC. Additional timing/degree marks at 90, 180 and Degree Markings: Yes Engine Balance: Internal Finish: Black Zinc Keyway: Single Length: 2.335 Material: Steel Mounting Hardware Incl.: No O.D.: 7-1/4" (7.250) Safety Rating: SFI 18.1 WT. in lbs.()=Rotating weight: 12.2 (8.1 Rwt) GENERATION I LATE MODEL SMALL BLOCK, INT. BAL.