Proform for Roller Rocker Arm Set 1.7 Ratio 5/16 Stud Pedestal Mount Fits Ford
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$285.28
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Free shipping (Standard Shipping)
📦 Est. delivery Jun 26, 2026 – Jun 27, 2026
Ships from San Leandro, California, US
🌍 Ships to 164 countries
↩️ Returns accepted · 30 calendar day · seller pays return shipping
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About this item
Fits Ford S/B aluminum cylinder heads, pedestal mount '77-'94, 302HO and 351W hydraulic and roller cams. Rid your engine of internal friction with roller-tipped rocker arms. Precision machined to insure consistency and ratio accuracy.
Specifications
| Brand | Proform |
| Type | Engine Rocker Arm |
| Manufacturer Part Number | 66878 |
| Performance Part | Yes |
| Manufacturer Warranty | Yes |
| UPC | 037995368785 |
Item description from seller
Manufacturer: Proform…Read more ▾
Manufacturer: Proform
Part Number: 66878
Condition: New
Product Description:
PROFORM Super Street Aluminum Roller Rockers have a beautiful anodized finish, extremely tight tolerances, and upgraded cage bearings. Fits Ford S/B aluminum cylinder heads, pedestal mount '77-'94, 302HO and 351W hydraulic and roller cams. Rid your engine of internal friction with roller-tipped rocker arms. The race-proven full needle bearing, fulcrum, and roller tip not only unleash horsepower, they also lengthen valve train component life and reduce wear and tear on valve stem tips. Precision machined to insure consistency and ratio accuracy. Engine Roller Rocker Arm Set
1.7 Ratio 5/16 Stud
Pedestal Mount
Extruded Aluminum Type with Roller Needle Bearing Trunions
Fits Ford 1977-1994 302HO and 351W Engines With Hydraulic and Roller Cams
Poly Locks Included
One Set of 16 pcs
Additional Information:
Proform 66878 Roller Rocker Arm Set; 1.7 Ratio 5/16 Stud; Pedestal Mount; Fits Ford 302HO/351W Applications: Ford 302HO; 351W Engines 1977 to 1994
Arm Style: Full Roller
Body Style: Standard
Category: Roller Rocker Arm Set
Engine: Ford 302HO & 351W
Fasteners Included: Yes
Feature/Benefit: Fits Ford Aluminum Cylinder Heads
Finish: Blue Anodized
Includes Shims: NO
Make: Ford
Material: Extruded Aluminum
Maximum Spring Diameter (In.): 1.500 in.
Mounting Style: Pedestal
Nut Style: n/a
Part Type: Rocker Arm
Ratio: 1.7
Self-Aligning: No
Stud Diameter (in.): 5/16 in.
Guaranteed Fitments:
1979-1997 Ford F-350
1980-1980 Mercury Marquis
1980-1986 Mercury Grand Marquis
1982-1995 Ford Mustang
1984-1985 Ford LTD
1984-1986 Mercury Capri
1985-1992 Lincoln Mark VII
1991-1993 Ford Thunderbird
1991-1993 Mercury Cougar
1994-1996 Ford Bronco
1994-1996 Ford E-150 Econoline
1994-1996 Ford E-150 Econoline Club Wagon
1994-1996 Ford E-250 Econoline
1994-1996 Ford E-350 Econoline
1994-1996 Ford E-350 Econoline Club Wagon
1994-1996 Ford F-150
1994-1996 Ford F-250
1996-1996 Ford Econoline Super Duty
1997-1997 Ford F-250 HD
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