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The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precision-sorted needle bearings and hardened Roller tips to better distribute the load and reduce wear for a longer service life. In addition, they work with most diameter springs and retainers. The XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI optimization for endurance, drag and circle track Applications.
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 1985 - 1990 | Chevrolet | Caprice | Classic | ||
| 1986 - 1990 | Chevrolet | Caprice | Base | ||
| 1986 - 1988 | Chevrolet | Caprice | Classic Brougham | ||
| 1987 - 1988 | Chevrolet | Caprice | Classic LS Brougham | ||
| 1992 - 1992 | Chevrolet | Caprice | Base | ||
| 1993 - 1993 | Chevrolet | Caprice | Classic | ||
| 1985 - 1985 | Chevrolet | Impala | Base | ||
| 1978 - 1979 | Chevrolet | Malibu | Base | ||
| 1978 - 1979 | Chevrolet | Malibu | Classic | ||
| 1978 - 1979 | Chevrolet | Malibu | Classic Landau | ||
| 1979 - 1979 | Chevrolet | Malibu | Landau | ||
| 1979 - 1979 | Chevrolet | Malibu | Classic Sport | ||
| 1979 - 1979 | Chevrolet | Malibu | Police | ||
| 1979 - 1979 | Chevrolet | Malibu | Sport | ||
| 1978 - 1979 | Chevrolet | Monte Carlo | Landau | ||
| 1978 - 1978 | Chevrolet | Monte Carlo | Sport | ||
| 1979 - 1979 | Chevrolet | Monte Carlo | Base | ||
| 1985 - 1988 | Chevrolet | Monte Carlo | Base | ||
| 1986 - 1988 | Chevrolet | Monte Carlo | LS | ||
| 1986 - 1986 | Pontiac | Bonneville | Base | ||
| 1986 - 1986 | Pontiac | Bonneville | Brougham | ||
| 1986 - 1986 | Pontiac | Bonneville | LE | ||
| 1986 - 1987 | Pontiac | Grand Prix | Base | ||
| 1986 - 1987 | Pontiac | Grand Prix | LE | ||
| 1986 - 1987 | Pontiac | Grand Prix | Brougham | ||
| 1985 - 1986 | Pontiac | Parisienne | Base | ||
| 1985 - 1986 | Pontiac | Parisienne | Brougham |
WARNING: Cancer & Reproductive Harm www.p65warnings.ca.govIN STOCK Mahle OE 40564CPMahle OE OE Moly Ring Sets Mahle Rings Buick 301/350 L Eng 77-79 Checker 327/350 Eng 69-79 Chevy 302/327/350 Moly Ring Set $86.30
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 IN STOCK Cometic Gasket C5248-040Cometic Gasket Head Gaskets Cometic Chevy Small Block 4.165 inch Bore .040 inch MLS Head Gasket (w/All Steam Holes) $102.70
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 IN STOCK UMI Performance 90058UMI Performance Engine Mounts UMI Performance 78-88 GM G-Body Engine Side Solid Engine Mounts $72.04
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IN STOCK Clevite CB663HNClevite Con Rod Bearing Set Clevite GMC Pass & Trk 262 267 302 305 5.0L 307 5.0L 327 350 5.7L 400 Con Rod Bearing Set $36.36
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 IN STOCK - LOW Cometic Gasket CF1009Cometic Gasket Head Gaskets Cometic Header Bolts 3/8 - 16 3/4in Grade 5 Black Oxide Finish With Hex and Socket Head $43.77
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 IN STOCK - LOW Cometic Gasket CF1007Cometic Gasket Head Gaskets Cometic Flexplate Bolts 7/16 - 20 x 11/16in - Grade 8 With Black Oxide Finish and Lock Washers |
 IN STOCK - LOW Clevite CB1776AClevite Con Rod Bearing Set Clevite Chevrolet 4 6 8 Cylinder Engines 1963-02 Con Rod Bearing Set $28.90
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For more information on COMP Cams part number 1804-12, you can visit the official COMP Cams website.
