Chevrolet P20 Engine Harmonic Balancer Replacement

Direct Replacement

Direct Replacement

Part Type: Solid Outer Diameter: 7.99 in ATP Number: 102036 ATP Availability: Available to Order Pioneer Number: DA-3504 Pioneer Availability: Available to Order

Part Type: Solid Outer Diameter: 7.99 in

Part Type: Solid Outer Diameter: 7.99 in Supersession: Replaces DA-3502-HD

Part Type: Solid Outer Diameter: 7.99 in ATP Number: 102042 ATP Availability: Available to Order Pioneer Number: DA-3502 Pioneer Availability: Available to Order Pioneer Supersession: Replaces DA-3502-HD

W/ Counterweight Part Type: Solid Outer Diameter: 8 in Inner Diameter: Coarse Threaded Bolt Holes ATP Number: 102049 ATP Availability: Available to Order Pioneer Number: DA-4541 Pioneer Availability: Available to Order

Diameter:6 3/4-in.; Finish:Natural; Material:Nodular Iron

Description: W/ Counterweight Part Type: Solid Outer Diameter: 8 in Inner Diameter: Coarse Threaded Bolt Holes

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

2 Groove Pulley

Part Type: Serpentine Outer Diameter: 7.795 in ATP Number: 102106 ATP Availability: Available to Order Pioneer Number: DA-3955 Pioneer Availability: Available to Order

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

Part Type: Serpentine Outer Diameter: 7.795 in

Part Type: Solid Outer Diameter: 7.93 in

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

8 In. Diameter Neutral Balance

SFI Spec 18.1 Steel/Elastomer Internal Zero Balance 6.10 in. OD Specialty SBC Lightweight 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) GENERATION I LATE MODEL SMALL BLOCK, INT. BAL.

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.

8.00 in. Netrual Balance TDC Mark Is Located 13 Degrees From Key-Way Street Performance

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.

Bore Dia. Min/Max: 1.599 / 1.600 Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270 Degree Markings: Yes Engine Balance: External (34.5 oz) Finish: Black Zinc Keyway: Single Length: 2.75 Material: Steel Mounting Hardware Incl.: No O.D.: 8" (8.000) Safety Rating: SFI 18.1 WT. in lbs.()=Rotating weight: 17.3 (11.5 Rtw) BIG BLOCK, EXT. BAL.

Part Type: Solid Outer Diameter: 7.96 in Position Related Information: TDC Mark Is Located 13 Degrees From Key-Way

Bore Dia. Min/Max: 1.599 / 1.600 Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270 Degree Markings: Yes Engine Balance: External (34.5 oz) Finish: Black Zinc Keyway: Dual Length: 2.75 Material: Steel Mounting Hardware Incl.: No O.D.: 8" (8.000) Safety Rating: SFI 18.1 WT. in lbs.()=Rotating weight: 17.3 (11.5 Rwt) BIG BLOCK, EXT. BAL. Same as #800111 but for crankshafts w/ dual keyways: (1) 1/4" and (1) 1/4"

Bore Dia. Min/Max: 1.599 / 1.600 Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270 Degree Markings: Yes Engine Balance: External (34.5 oz) Finish: Black Zinc Keyway: Dual Length: 2.75 Material: Steel Mounting Hardware Incl.: No O.D.: 8" (8.000) Safety Rating: SFI 18.1 WT. in lbs.()=Rotating weight: 17.3 (11.5 Rwt) BIG BLOCK, EXT. BAL. Same as #800111 but for crankshafts w/ dual keyways: (1) 3/16" and (1) 1/4"