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Proform 66860C Fits Oldsmobile Roller Rockers1.6 Ratio; 7/16"" Stud

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Speedway Motors
(323546)
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US $295.99
ApproximatelyAU $455.30
List price US $340.39 What does this price mean?
The seller’s previous price is required to be the previous selling price or recommended retail price (RRP) at which it was offered and/or sold for a reasonable period of time immediately prior to the discount.
Save US $44.40 (13% off)
Condition:
Brand New
More information - About this item condition
Compatibility:
5 available
Breathe easy. Returns accepted.
Postage:
Free UPS Ground.
Located in: Lincoln, Nebraska, United States
Delivery:
Estimated between Mon, 16 Jun and Fri, 20 Jun to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the postage service selected, the seller's postage history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
60-day returns. Buyer pays for return postage. If you use an eBay postage label, it will be deducted from your refund amount.
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eBay item number:388328669670
Last updated on 04 Jun, 2025 13:54:04 AESTView all revisionsView all revisions

Compatibility

This part is compatible with 348 vehicle(s)
YearMakeModelTrimEngineNotes
1990OldsmobileCustom CruiserBase Wagon 4-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1989OldsmobileCustom CruiserBase Wagon 4-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1988OldsmobileCustom CruiserBase Wagon 4-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1988OldsmobileCutlass SupremeClassic Brougham Coupe 2-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1988OldsmobileCutlass SupremeClassic Coupe 2-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1987OldsmobileCustom CruiserBase Wagon 4-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1987OldsmobileCutlass SalonBase Coupe 2-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1987OldsmobileCutlass Supreme442 Coupe 2-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1987OldsmobileCutlass SupremeBase Coupe 2-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1987OldsmobileCutlass SupremeBase Sedan 4-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1987OldsmobileCutlass SupremeBrougham Coupe 2-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1987OldsmobileCutlass SupremeBrougham Sedan 4-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1986OldsmobileCustom CruiserBase Wagon 4-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1986OldsmobileCutlass Salon442 Coupe 2-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1986OldsmobileCutlass SalonBase Coupe 2-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1986OldsmobileCutlass SupremeBase Coupe 2-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1986OldsmobileCutlass SupremeBase Sedan 4-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1986OldsmobileCutlass SupremeBrougham Coupe 2-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1986OldsmobileCutlass SupremeBrougham Sedan 4-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
1985OldsmobileCustom CruiserBase Wagon 4-Door5.0L 307Cu. In. V8 GAS OHV Naturally AspiratedNote:"Rid your Eng of Int friction w/roller-tipped rocker arms. The race-proven full needle bearing, fulcrum & roller tip not only unleash horsePwr, they also lengthen valve train component life & reduce wear & tear on valve stem tips. Precision machined to insure consistency & ratio accuracy. Sold as one set.Product Details:Eng Roller Rocker Arm Set1.6 Ratio w/7/16" StudExtruded Alum Type w/Roller Needle Bearing TrunionsFits Oldsmobile V8 EngsMachining Reqd For InstallationPoly Locks IncldBlue Anodized FinishClamshell Pkgd For Retail DisplaySold As One Set"; RWD" PartType:Engine Rocker Arm Mfrlabel:Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8 Quantity Required:1
Portions of the information contained in this table have been provided by speedway_motors

Item specifics

Condition
Brand New
Type
Rocker Arms
Material
Aluminum
California Prop 65 Warning
True
UPC
037995318605

About this product

Product Identifiers

Brand
Proform
Manufacturer Part Number
66860C
eBay Product ID (ePID)
251182660

Additional Product Features

Notes
Description--Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits Olds V8
Sub Type
Engine Rocker Arm
Part Type
Valve Train Components

Item description from the seller

About this seller

Speedway Motors

99.2% positive Feedback•1.2M items sold

Joined Apr 2000
Since 1952, Speedway Motors has been committed to providing a broad selection of high-quality, affordable automotive parts – delivered quickly, efficiently and without hassles. Speedway is more than a ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable postage costs
4.9
Postage speed
5.0
Communication
5.0

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    As described, better than OEM product. fast shipping perfectly packaged and protected. cost/benefit ratio 5 stars!!! recommended seller
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    Past 6 months
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    Amazing items. Great Seller. Good communication. Item was as described, packaged nicely and arrived earlier than expected would definitely recommend buying from, thanks!!!😊
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