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Proform Self-Aligning Aluminum Roller Rockers for Small Block Chevy with 1.5 Ratio & 3/8" Stud

778-66914


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Proform 66914
$195.99
Self-Aligning Aluminum Roller Rockers
  • Small Block Chevy with Centerbolt Valve Covers
  • 1.5 Ratio
  • 3/8" Stud
  • 16/pkg
  • Free Shipping - Ships directly from the manufacturer on 07/21/20

    Thank you! We will notify you when this product becomes available.

    Save $10 off $299, $20 off $599, $30 off $799, $100 off $1,599 Orders. Promo Code: SUMMERFUN exclusions apply
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    Does Proform 66914 fit your vehicle?

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    1991 GMC JIMMY

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: K

    1993 GMC K2500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: R

    1971 CHEVROLET MONTE CARLO

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1971 CHEVROLET BEL AIR

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1970 CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: E

    1982 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: 6

    1971 CHEVROLET KINGSWOOD

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: J

    1968 GMC C35/C3500 PICKUP

    • Liter: 5.4
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 327
    • Engine Type: V8 ( 5.4L / 327 )
    • Engine Vin: E

    1958 CHEVROLET BISCAYNE

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1971 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: N

    1980 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: -

    1970 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: MALIBU
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: J
    66914 is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from Easy to install, adjust, and easy to adapt I have a 383CID with torque heads and finding Roller Rockers who are truly self align is hard. This do just what they say, self-align!
    Date published: 2014-12-28
    • y_2020, m_7, d_7, h_15
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    • clientName_jegs

    Will these work with stock lower profile valve covers or will taller valve covers be needed?m

    Asked by: Phantom Mariner
    You will need to use a taller valve cover with these roller rocker arms.
    Answered by: Rusty B
    Date published: 2018-08-15

    Will these work on stock LT1 heads?

    Asked by: KD209
    Yes, these should fit your LT1 engine.
    Answered by: Rusty B
    Date published: 2018-06-14

    Will these work on the tbi 350

    Asked by: Roderick
    Yes these will work.
    Answered by: BrandonJ
    Date published: 2017-09-19

    Are the rocker nuts included in this set?

    Asked by: 87trans
    Yes, the rocker nuts are included in this set.
    Answered by: Rusty B
    Date published: 2019-01-23
    • y_2020, m_7, d_8, h_15CST
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