Pioneer SFI Performance Race Harmonic Balancers bring the advantages of bonded rubber to high revving race and street/race applications where an SFI approved balancer is required.
The steel inertia ring of the race models is Positive protected against forward and backward movement and has the assurance of bonded rubber to eliminate spinning.

Part #	Application
Chevrolet	Chevrolet
872021	90º V6 & SB Chevy with 6.25 Dia Internaly Balanced
872022	Chevy SB and 90º V6 with 7" Dia Internaly Balanced
872023	Chevy SB and 90º V6 with 8" Dia Internaly Balanced TDC mark is located 13 degrees from key way
872024	Chevy SB 400 with 8" Dia Externally Balanced
872025	Chevy BB 396 and 427 with 8" Dia Internaly Balanced
872026	Chevy BB 454 with 8" Dia Externally Balanced
872041	Chevy 350 Gen III LS1 Camaro/Firebird Internally Balanced
872042	Chevy 350 Gen III LS1 Camaro/Firebird Internally Balanced w/10% Underdrive
872043	Chevy 350 LT1 93-97 Internally Balanced (Use w/crank flange hub 872015,872016 or 872049)
872044	Chevy 350 LT1 93-97 Internally Balanced with 10% underdrive (Use w/crank flange hub 872015,872016 or 872049)
872046	Chevy BB with 7" Dia Internaly Balanced
872047	Chevy 350 Gen III LS1, LS6 Corvette Internaly Balanced
872048	Chevy SB 400 with 7" Dia Externally Balanced Light Weight Design
872050	Chevy 350 Gen III LS1, LS6 Corvette Internaly Balanced w/10% Underdrive
872055	Chevy 350 Gen III LS1 Camaro/Firebird Internally Balanced w/25% Underdrive
872058	Chevy 350 Gen III LS1, LS6 Corvette Internaly Balanced w/25% Underdrive

Chrysler	Chrysler
872037	Chrysler SB 318-340 With 7.24" Dia Internally Balanced
872038	Chrysler SB 360 With 7.21" Dia Externally Balanced
872040	Chrysler BB 383-440 with 7.11" Dia Internally Balanced

Ford	Ford
872027	Ford SB 351C with 6.50" Dia Externally Balanced w/counter weighted hub
872028	Ford SB 302-351W with 6.50" Dia Externally Balanced w/28 oz. counter weighted hub & raised pulley location
872029	Ford SB 302-351W with 6.50" Dia Externally Balanced w/28 oz. counter weighted hub & countersunk pulley location
872030	Ford SB 302 H.O. w/EFI and 50 oz.counter weighted ring 6.37" Dia Externally Balanced
872032	Ford SB 302-351W with 6.50" Dia Externally Balanced w/28 oz. counter weight hub
872034	Ford SB 302-351W with 6.37" Dia Internaly Balanced
872035	Ford Mustang w/4.6L (SOHC) with 6.88" Dia Internally Balanced
872053	Ford SB 5.4L SOHC and DOHC w/10% underdrive Internally Balanced
872057	Ford BB 390 FE Series

This product is in the following categories:

Home > Engine Parts > Harmonic Balancers

Manufacturer:

Pioneer Inc

Pioneer 872021 SFI Performance Race Harmonic Balancers

Part #: 872021

90° V6 & SB Chevy with 6.25 Dia Internally Balanced

Pioneer 872022 SFI Performance Race Harmonic Balancers

Part #: 872022

Chevy SB and 90° V6 with 7" Dia Internally Balanced

Pioneer 872023 SFI Performance Race Harmonic Balancers

Part #: 872023

Chevy SB and 90° V6 with 8" Dia Internally Balanced TDC Mark is located 13° from keyway

Pioneer 872024 SFI Performance Race Harmonic Balancers

Part #: 872024

Chevy SB 400 with 8" Dia Externally Balanced

Pioneer 872025 SFI Performance Race Harmonic Balancers

Part #: 872025

Chevy BB 396/427 with 8" Dia Internally Balanced

Pioneer 872026 SFI Performance Race Harmonic Balancers

Part #: 872026

Chevy BB 454 with 8" Dia Externally Balanced

Pioneer 872027 SFI Performance Race Harmonic Balancers

Part #: 872027

Ford SB 351C with 6.50" Dia Externally Balanced w/ counter weighted hub

Pioneer 872028 SFI Performance Race Harmonic Balancers

Part #: 872028

Ford SB 302-351W with 6.50" Dia Externally Balanced w/28 oz. counter weighted hub & raised pulley location

Pioneer 872029 SFI Performance Race Harmonic Balancers

Part #: 872029

Ford SB 302-351W with 6.50" Dia Externally Balanced w/28 oz. counter weighted hub & countersunk pulley location

Pioneer 872030 SFI Performance Race Harmonic Balancers

Part #: 872030

Ford SB 302 H.O. w/EFI and 50 oz.counter weighted ring 6.37" Dia Externally Balanced

Pioneer 872032 SFI Performance Race Harmonic Balancers

Part #: 872032

Ford SB 302-351W with 6.50" Dia Externally Balanced w/28 oz. counter weight hub

Pioneer 872034 SFI Performance Race Harmonic Balancers

Part #: 872034

Ford SB 302-351W with 6.37" Dia Internally Balanced

Pioneer 872035 SFI Performance Race Harmonic Balancers

Part #: 872035

Ford Mustang w/4.6L (SOHC) with 6.88" Dia Internally Balanced

Pioneer 872037 SFI Performance Race Harmonic Balancers

Part #: 872037

Chrysler SB 318-340 With 7.24" Dia Internally Balanced

Pioneer 872038 SFI Performance Race Harmonic Balancers

Part #: 872038

Chrysler SB 360 with 7.21" Dia Externally Balanced

Pioneer 872040 SFI Performance Race Harmonic Balancers

Part #: 872040

Chrysler BB 383-440 with 7.11" Dia Internally Balanced

Pioneer 872041 SFI Performance Race Harmonic Balancers

Part #: 872041

Chevy 350 GEN III LS1 Camaro/Firebird Internally Balanced

Pioneer 872042 SFI Performance Race Harmonic Balancers

Part #: 872042

Chevy 350 Gen III LS1 Camaro/Firebird Internally Balanced with 105 underdrive

Pioneer 872043 SFI Performance Race Harmonic Balancers

Part #: 872043

Chevy 350 LT1 93-97 Internally Balanced (Use w/ crank flange hub (872015,872016,872049)

Pioneer 872044 SFI Performance Race Harmonic Balancers

Part #: 872044

Chevy 350 LT1 93-97 Internally Balanced with 10% underdrive (Use w/crank flange hub 872015,872016 or 872049)

Pioneer 872046 SFI Performance Race Harmonic Balancers

Part #: 872046

Chevy BB with 7" Dia Internally Balanced

Pioneer SFI Performance Race Harmonic Balancers

Part #: 872047

Chevy 350 Gen III LS1, LS6 Corvette Interally Balanced

Pioneer SFI Performance Race Harmonic Balancers

Part #: 872048

Chevy SB 400 with 7" Dia Externally Balanced Light Weight Design

Pioneer SFI Performance Race Harmonic Balancers

Part #: 872050

Chevy 350 Gen III LS1, Ls6 Corvette Internally Balanced w/ 10% Under drive

Pioneer SFI Performance Race Harmonic Balancers

Part #: 872053

Ford SB 5.4L SOHC & DOHC w/ 10% under drive Internally Balanced

Pioneer SFI Performance Race Harmonic Balancers

Part #: 872055

Chevy 350 Gen III LS1 Camaro/Firebird Internally Balanced w/25% Underdrive

Pioneer SFI Performance Race Harmonic Balancers

Part #: 872057

Ford Big Block 390 FE Series

Pioneer SFI Performance Race Harmonic Balancers

Part #: 872058

Chevy 350 Gen III LS1, LS6 Corvette Internally Balanced w/ 25% Under drive