COMP Cams

COMP Cams Rocker Arms CS Tw 1.6 3/8 Ultra

SKU 1609-8

MPN cca1609-8

$264.95 · Available to order

COMP Cams Rocker Arms CS Tw 1.6 3/8 Ultra

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring Oversized trunnions, precision-sorted needle bearings and hardened Roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.3/8" Stud - 1.6 Ratio - Chevy V8 265-400 (SBC) with Twisted Wedge Heads. Designed for intake valves only. Twisted Wedge heads use standard SBC exhaust valve Rockers.Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia. Unique black oxide exterior finish helps prevent corrosion and increases durability.Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.Feature Oversized trunnions, precision-sorted needle bearings and hardened Roller tips.Lifetime Warranty - So strong that we guarantee the Rocker bodies against breakage for life. For use with up to 850 lbs of open spring pressure.

Confirmed vehicle fitment
YearsMakeModelSubmodelDrive
1986ChevroletCorvetteIndianapolis 500 Pace Car—
1984–1991ChevroletCorvetteBase—
1991–1993BuickRoadmasterEstate Wagon—
1980BuickCenturyBase—
1981–1982ChevroletCapriceClassic Estate—
1983–1986PontiacBonnevilleBrougham—
1981–1984ChevroletG10Bonaventure—
1987GMCV2500Sierra Classic—
1980–1981ChevroletC30Cheyenne—
1981GMCCaballeroRoyal Knight—
1987GMCV1500Base—
1994–1995GMCK3500Sierra SLT—
1980ChevroletK5 BlazerCheyenne—
1980ChevroletImpalaSport—
1980–1982GMCC1500Street Coupe—
1982ChevroletK10 SuburbanScottsdale—
1990–1992CadillacBroughamBase—
1982–1983ChevroletK10 SuburbanSilverado—
1980–1982GMCC2500 SuburbanSierra Grande—
1987–1988ChevroletV20 SuburbanScottsdale—
1988–1995GMCC1500Sierra SLE—
1983–1984ChevroletG30Bonaventure—
1988–1995ChevroletK3500Silverado—
1992–1993BuickRoadmasterBase—
1994–1995GMCC1500Sierra SLT—
1980–1986ChevroletCamaroBerlinetta—
1980–1986ChevroletK30Scottsdale—
1980ChevroletK10 SuburbanScottsdale—
1988–1995ChevroletC1500Cheyenne—
1983–1984GMCG2500Rally Custom—
1991–1993ChevroletCapriceClassic LTZ—
1981–1986ChevroletC30Custom—
1980OldsmobileCutlassBase—
1994–1995ChevroletK1500Base—
1988–1993GMCC2500Sierra SLX—
1995ChevroletC2500 SuburbanLS—
1987GMCR1500 SuburbanHigh Sierra—
1987–1988ChevroletR10 SuburbanScottsdale—
1981–1986ChevroletK30Custom—
1980PontiacLeMansBase—
1995GMCC1500 SuburbanSLT—
1980PontiacGrand LeMansBase—
1980–1986GMCC3500Base—
1980–1996GMCG3500Rally STX—
1988–1995ChevroletC2500Cheyenne—
1981–1982ChevroletImpalaEstate—
1987ChevroletBlazerCustom Deluxe—
1980–1996GMCG3500Magnavan—
1995GMCK2500 SuburbanSLT—
1980–1986GMCK2500High Sierra—
1994–1995GMCK3500Sierra SL—
1980BuickRegalLimited—
1984–1986ChevroletK10 SuburbanScottsdale—
1982ChevroletK20 SuburbanScottsdale—
1987ChevroletR10Custom Deluxe—
1980OldsmobileCutlassBrougham—
1992–1995GMCK2500 SuburbanSLE—
1995GMCK1500Sierra SLS—
1994–1995GMCC1500Sierra SL—
1980–1991GMCJimmyBase—
1993CadillacFleetwoodBase—
1980–1981ChevroletC10Cheyenne—
1981ChevroletK5 BlazerDeluxe—
1980–1986GMCC1500 SuburbanHigh Sierra—
1980–1986GMCC2500Sierra Classic—
1980–1986GMCC1500 SuburbanBase—
1987–1989GMCV2500 SuburbanSierra Classic—
1980PontiacGrand AmBase—
1980–1982GMCK3500Sierra Grande—
1980ChevroletK20 SuburbanCustom Deluxe—
1980ChevroletCamaroRally Sport—
1981–1988GMCG3500Rally Custom—
1980–1996GMCG3500Vandura—
1988–1995ChevroletK2500Silverado—
1983–1987PontiacGrand PrixBase—
1980ChevroletC20 SuburbanScottsdale—
1993GMCK1500Sierra Sport—
1980–1995GMCG2500Rally—
1987GMCV2500High Sierra—
1980–1986GMCC1500High Sierra—
1980–1981ChevroletC20Cheyenne—
1988–1995ChevroletC3500Cheyenne—
1987–1989GMCR3500High Sierra—
1982ChevroletC20 SuburbanScottsdale—
1980ChevroletMalibuSport—
1990–1995ChevroletC1500WT—
1992–1993CadillacCommercial ChassisBrougham—
1987–1988ChevroletR20Custom Deluxe—
1992–1995ChevroletK1500 SuburbanBase—
1987GMCV2500Base—
1980–1995ChevroletG10Sportvan—
1988ChevroletR30Cheyenne—
1984–1986ChevroletC10 SuburbanScottsdale—
1987GMCV2500 SuburbanHigh Sierra—
1987–1991GMCV1500 SuburbanBase—
1980–1990GMCJimmySierra Classic—
1980–1986GMCK1500Base—
1980PontiacGrand PrixSJ—
1980–1981ChevroletG20Nomad—
1980–1995GMCG1500Rally—
1982–1992PontiacFirebirdBase—
1986–1988ChevroletMonte CarloLS—
1987–1991GMCR2500 SuburbanBase—
1988–1992ChevroletC2500Scottsdale—
1989–1992ChevroletCamaroRS—
1987ChevroletV20Custom Deluxe—
1980–1982GMCC2500Sierra Grande—
1994–1995GMCC1500Sierra Special—
1980–1982CheckerMarathonBase—
1988–1992ChevroletC3500Scottsdale—
1987–1991GMCR1500 SuburbanBase—
1983–1986PontiacParisienneBrougham—
1980–1981ChevroletK20Cheyenne—
1988–1995ChevroletK2500Cheyenne—
1983–1986PontiacBonnevilleBase—
1980OldsmobileCutlass CruiserBase—
1989–1990ChevroletR3500Scottsdale—
1982–1986ChevroletC10 SuburbanSilverado—
1980ChevroletMalibuClassic Estate—
1988–1995GMCK1500Sierra SLE—
1980–1986GMCK1500 SuburbanSierra Classic—
1980–1986ChevroletK10Silverado—
1981–1986ChevroletC10 SuburbanCustom—
1980–1987GMCCaballeroDiablo—
1987–1989GMCR1500 SuburbanSierra Classic—
1980–1986ChevroletK5 BlazerSilverado—
1988–1991ChevroletBlazerScottsdale—
1988–1993GMCC3500Sierra SLX—
1980–1986GMCK2500 SuburbanBase—
1980ChevroletK10Custom Deluxe—
1984–1986ChevroletK20 SuburbanScottsdale—
1990–1992CadillacBroughamd'Elegance—
1984ChevroletK5 BlazerScottsdale—
1980PontiacFirebirdEsprit—
1988–1993GMCK1500Sierra SLX—
1992–1995GMCC1500 SuburbanSLE—
1980–1986ChevroletC10Silverado—
1980–1986GMCC3500Sierra Classic—
1992–1993ChevroletBlazerCheyenne—
1994–1995GMCC2500Sierra SLT—
1983–1988ChevroletMonte CarloSS—
1981–1986ChevroletK20 SuburbanCustom—
1987–1988ChevroletV20 SuburbanSilverado—
1981–1988ChevroletMonte CarloBase—
1980–1987ChevroletCamaroZ28—
1980ChevroletC10 SuburbanScottsdale—
1980–1986ChevroletC30Scottsdale—
1980–1986GMCK1500Sierra Classic—
1992GMCYukonSport—
1988ChevroletCorvette35th Anniversary Edition—
1987–1989GMCV1500 SuburbanSierra Classic—
1987ChevroletV10 SuburbanCustom Deluxe—
1988–1993GMCK1500Sierra—
1981–1986ChevroletK20Custom—
1983–1984GMCG1500Rally Custom—
1983–1987PontiacGrand PrixBrougham—
1987GMCV1500Sierra Classic—
1981ChevroletC10Deluxe—
1988–1995ChevroletC2500Silverado—
1987–1989GMCR2500Base—
1980–1995ChevroletG20Sportvan—
1989–1990ChevroletV3500Scottsdale—
1980OldsmobileCutlass SalonBrougham—
1995ChevroletK2500 SuburbanLT—
1980PontiacGrand PrixBase—
1982–1986ChevroletC20 SuburbanSilverado—
1987ChevroletR20 SuburbanCustom Deluxe—
1981ChevroletC20 SuburbanDeluxe—
1987–1988ChevroletV30Scottsdale—
1990–1995ChevroletK1500WT—
1992ChevroletCamaroRS Heritage Edition—
1989–1991ChevroletR1500 SuburbanSilverado—
1980–1986ChevroletC10Scottsdale—
1980OldsmobileCutlass SupremeBrougham—
1987ChevroletV10Silverado—
1982ChevroletC10 SuburbanScottsdale—
1980–1982GMCJimmySierra Grande—
1990–1991GMCR3500SLE—
1992ChevroletCamaroZ28 Heritage Edition—
1989–1991ChevroletR1500 SuburbanScottsdale—
1981–1986ChevroletK10 SuburbanCustom—
1980–1987ChevroletEl CaminoSS—
1984–1986PontiacBonnevilleLE—
1987–1988ChevroletR30Custom Deluxe—
1982ChevroletCamaroZ28 Indianapolis 500 Pace Car—
1980–1995ChevroletG10Beauville—
1981ChevroletC20Deluxe—
1980–1986GMCC2500 SuburbanSierra Classic—
1987ChevroletV20 SuburbanCustom Deluxe—
1987–1988ChevroletV10 SuburbanScottsdale—
1980OldsmobileCutlass CruiserBrougham—
1982ChevroletCorvetteCollector's Edition—
1987GMCR1500Sierra Classic—
1994–1995ChevroletK3500Base—
1991–1992ChevroletCamaroZ28—
1980–1995GMCG1500Rally STX—
1983PontiacGrand PrixLJ—
1980CadillacEldoradoBiarritz—
1988–1993GMCK2500Sierra—
1994–1995ChevroletC2500WT—
1987–1988ChevroletV30Custom Deluxe—
1992–1995GMCYukonSLE—
1987ChevroletV10Custom Deluxe—
1987ChevroletCamaroLT—
1989–1991ChevroletR2500 SuburbanScottsdale—
1994–1995GMCK1500Sierra SLT—
1980ChevroletC20 SuburbanCustom Deluxe—
1980OldsmobileCutlassLS—
1980–1986ChevroletK20Scottsdale—
1980BuickCenturyLimited—
1980–1986ChevroletC20Scottsdale—
1985–1986ChevroletK10 SuburbanSilverado—
1980–1982GMCC1500 SuburbanSierra Grande—
1980–1982GMCC1500Sierra Grande—
1989–1992PontiacFirebirdTrans Am GTA—
1988–1995ChevroletK3500Cheyenne—
1987ChevroletR10Silverado—
1980OldsmobileCutlass SalonBase—
1980CadillacSevilleElegante—
1981–1987ChevroletCamaroSport—
1981–1986GMCCaballeroAmarillo—
1985–1990ChevroletCamaroIroc-Z—
1980–1982CheckerMarathonDeluxe—
1987ChevroletV20Silverado—
1980–1982GMCK1500Sierra Grande—
1987–1989GMCR3500Sierra Classic—
1988–1995ChevroletK1500Silverado—
1983ChevroletG10Base—
1992–1993BuickRoadmasterLimited—
1980–1986GMCC2500 SuburbanHigh Sierra—
1981ChevroletC10 SuburbanDeluxe—
1981–1986ChevroletC10Custom—
1995ChevroletC2500 SuburbanLT—
1980ChevroletK20 SuburbanSilverado—
1980–1982GMCK2500Sierra Grande—
1980PontiacLeMansSafari—
1980–1986GMCK1500High Sierra—
1980PontiacGrand LeMansSafari—
1995ChevroletC1500 SuburbanLT—
1990–1991GMCV3500SLE—
1980ChevroletK10 SuburbanCustom Deluxe—
1988–1993GMCK3500Sierra—
1981–1986ChevroletK10Custom—
1989–1991ChevroletR3500Silverado—
1991–1992OldsmobileCustom CruiserBase—
1980GMCC1500Heavy Half—
1980–1986GMCK2500Base—
1980–1985ChevroletImpalaBase—
1980ChevroletK20 SuburbanScottsdale—
1980ChevroletK5 BlazerCustom Deluxe—
1980CadillacSevilleBase—
1980–1981ChevroletEl CaminoRoyal Knight—
1980–1981ChevroletCapriceClassic Landau—
1994–1995ChevroletK2500Base—
1987–1989GMCV3500Sierra Classic—
1988–1995ChevroletC1500Silverado—
1987–1988ChevroletR20Silverado—
1980CadillacEldoradoCabriolet—
1987–1991GMCR3500Base—
1980–1981ChevroletMalibuClassic Landau—
1980ChevroletC10Big Ten—
1987–1989GMCV3500High Sierra—
1988–1992ChevroletK3500Scottsdale—
1989–1991ChevroletV1500 SuburbanSilverado—
1991ChevroletK1500Sport—
1984–1986ChevroletC20 SuburbanScottsdale—
1980–1986GMCC1500Sierra Classic—
1987ChevroletR10 SuburbanCustom Deluxe—
1990GMCV2500 SuburbanSLE—
1994–1995GMCC3500Sierra SL—
1987–1988ChevroletV10 SuburbanSilverado—
1987–1990ChevroletCapriceClassic LS Brougham—
1980–1981ChevroletMalibuBase—
1992–1994ChevroletK2500 SuburbanSilverado—
1992–1995ChevroletC1500 SuburbanBase—
1992–1994ChevroletC2500 SuburbanSilverado—
1985–1986ChevroletK20 SuburbanSilverado—
1980–1986GMCK2500 SuburbanSierra Classic—
1989–1991ChevroletR2500 SuburbanSilverado—
1981ChevroletK10 SuburbanDeluxe—
1980–1986ChevroletC20Silverado—
1990GMCV1500 SuburbanSLE—
1983–1986PontiacParisienneBase—
1981–1986ChevroletC20 SuburbanCustom—
1980–1981ChevroletMonte CarloLandau—
1989–1991ChevroletR3500Cheyenne—
1980–1996ChevroletCapriceClassic—
1980BuickRegalBase—
1980ChevroletCamaroBase—
1980ChevroletK20Custom Deluxe—
1980ChevroletK10 SuburbanSilverado—
1992–1995GMCK1500 SuburbanBase—
1980ChevroletC20Custom Deluxe—
1980–1985GMCJimmyHigh Sierra—
1980ChevroletC10 SuburbanCustom Deluxe—
1980–1995ChevroletG20Beauville—
1981–1986ChevroletEl CaminoConquista—
1988–1993GMCK2500Sierra SLX—
1980–1996GMCG3500Vandura Special—
1994–1995GMCK1500Sierra SL—
1992–1995GMCK1500 SuburbanSLE—
1987–1989GMCR2500Sierra Classic—
1980–1982GMCK2500 SuburbanSierra Grande—
1994–1995GMCK2500Sierra SL—
1981ChevroletK10Deluxe—
1989–1991ChevroletV2500 SuburbanSilverado—
1987–1989GMCR2500High Sierra—
1987ChevroletV10Scottsdale—
1986–1992ChevroletCapriceBase—
1980ChevroletMalibuClassic Sport—
1980OldsmobileCutlass CalaisBase—
1987ChevroletV20Scottsdale—
1980–1982GMCC3500Sierra Grande—
1981GMCCaballeroConquista—
1980–1996ChevroletG30Sportvan—
1987GMCR2500 SuburbanHigh Sierra—
1993CadillacFleetwoodBrougham—
1980ChevroletC10Custom Deluxe—
1988–1995GMCK3500Sierra SLE—
1980–1983ChevroletK20Silverado—
1980–1986GMCC2500Base—
1980ChevroletC10 SuburbanSilverado—
1981ChevroletK20 SuburbanDeluxe—
1980ChevroletCapriceClassic Sport—
1987ChevroletR10Scottsdale—
1980–1987GMCCaballeroBase—
1988–1992ChevroletK1500Scottsdale—
1981–1986ChevroletK5 BlazerCustom—
1992–1995GMCC1500 SuburbanBase—
1987–1989GMCR2500 SuburbanSierra Classic—
1980–1995GMCG2500Vandura—
1980–1986GMCK3500Sierra Classic—
1992–1994ChevroletC1500 SuburbanSilverado—
1981ChevroletC30Deluxe—
1994ChevroletBlazerBase—
1980–1986GMCC1500 SuburbanSierra Classic—
1980CadillacEldoradoBase—
1980–1986GMCC2500High Sierra—
1987–1991GMCV3500Base—
1995ChevroletTahoeLT—
1980–1996ChevroletG30Chevy Van—
1988–1995GMCK2500Sierra SLE—
1995GMCC2500 SuburbanSLT—
1986–1990ChevroletCapriceClassic Brougham—
1995GMCYukonSLT—
1987GMCR1500High Sierra—
1980–1996GMCG3500Rally Camper Special—
1980–1981ChevroletK30Cheyenne—
1980–1986ChevroletK10Scottsdale—
1980–1995GMCG2500Rally STX—
1982–1983ChevroletK20 SuburbanSilverado—
1980–1983ChevroletMalibuClassic—
1982–1986PontiacFirebirdS/E—
1987GMCR1500Base—
1988ChevroletV30Cheyenne—
1994ChevroletBlazerSilverado Sport—
1988–1995GMCC2500Sierra SLE—
1980–1982GMCJimmyStreet Coupe—
1983ChevroletMonte CarloCL—
1987GMCV1500High Sierra—
1980–1986GMCC3500High Sierra—
1988ChevroletR20Cheyenne—
1981–1986ChevroletC20Custom—
1991–1993BuickCommercial ChassisBase—
1992–1994ChevroletK1500 SuburbanSilverado—
1980–1986ChevroletC30Silverado—
1995ChevroletTahoeBase—
1980–1996GMCG3500Rally—
1995GMCK1500 SuburbanSLT—
1992–1995ChevroletK2500 SuburbanBase—
1995ChevroletK1500 SuburbanLT—
1980–1986GMCK3500Base—
1980–1987ChevroletEl CaminoBase—
1987–1988ChevroletR20Scottsdale—
1994–1995GMCK1500Sierra Special—
1994–1995ChevroletC1500Base—
1995ChevroletK1500 SuburbanLS—
1980–1981PontiacFirebirdFormula—
1994–1995ChevroletK2500WT—
1988–1992ChevroletK2500Scottsdale—
1988–1993GMCC3500Sierra—
1980–1986ChevroletK30Silverado—
1980ChevroletMonte CarloSport—
1987GMCV1500 SuburbanHigh Sierra—
1992–1995GMCYukonBase—
1987–1988ChevroletR30Silverado—
1981ChevroletK30Deluxe—
1988–1993GMCC1500Sierra SLX—
1982OldsmobileCutlass CruiserBase—
1980–1995GMCG1500Vandura—
1989–1991ChevroletV1500 SuburbanScottsdale—
1980–1986GMCK2500Sierra Classic—
1980ChevroletC20 SuburbanSilverado—
1980–1996ChevroletG30Hi-Cube—
1980–1992PontiacFirebirdTrans Am—
1992–1995ChevroletC2500 SuburbanBase—
1980OldsmobileCutlass SupremeBase—
1987–1988ChevroletR30Scottsdale—
1980PontiacGrand PrixLJ—
1980–1995ChevroletG20Chevy Van—
1990GMCR1500 SuburbanSLE—
1980–1986GMCK3500High Sierra—
1994GMCYukonSport—
1980–1986GMCC1500Base—
1994–1995GMCC3500Sierra SLT—
1987–1988ChevroletV30Silverado—
1989–1991ChevroletV3500Silverado—
1992–1995GMCC2500 SuburbanBase—
1988–1993GMCC2500Sierra—
1992–1995GMCC2500 SuburbanSLE—
1989–1991ChevroletV3500Cheyenne—
1989–1992PontiacFirebirdFormula—
1988ChevroletCamaroBase—
1987–1994ChevroletBlazerSilverado—
1987–1988ChevroletR10 SuburbanSilverado—
1990GMCR2500 SuburbanSLE—
1994–1995GMCK2500Sierra SLT—
1980PontiacFirebirdBase—
1988–1995ChevroletK1500Cheyenne—
1988–1993GMCC1500Sierra—
1980–1996ChevroletG30Beauville—
1987–1991GMCV2500 SuburbanBase—
1994–1995ChevroletC3500Base—
1995ChevroletK2500 SuburbanLS—
1987–1988ChevroletR20 SuburbanSilverado—
1995ChevroletTahoeLS—
1980–1986GMCK2500 SuburbanHigh Sierra—
1994–1995GMCC2500Sierra SL—
1981ChevroletK20Deluxe—
1980ChevroletMalibuEstate—
1986–1987ChevroletG10Bonaventure—
1984–1987PontiacGrand PrixLE—
1980ChevroletC30Custom Deluxe—
1988–1992ChevroletC1500Scottsdale—
1980–1982ChevroletCorvetteBase—
1993GMCYukonGT—
1980GMCCaballeroLaredo—
1980–1986GMCC2500 SuburbanBase—
1988–1995GMCC3500Sierra SLE—
1987–1988ChevroletR20 SuburbanScottsdale—
1993–1994ChevroletCapriceClassic LS—
1988–1993GMCK3500Sierra SLX—
1985–1986ChevroletK20Silverado—
1980–1986GMCK1500 SuburbanHigh Sierra—
1980–1986GMCK1500 SuburbanBase—
1980ChevroletK30Custom Deluxe—
1980BuickCenturyEstate—
1980–1981ChevroletK10Cheyenne—
1989–1991ChevroletV2500 SuburbanScottsdale—
1980–1982GMCK1500 SuburbanSierra Grande—
1988–1995ChevroletC3500Silverado—
1983–1984ChevroletG20Bonaventure—
1992–1995GMCK2500 SuburbanBase—
1994–1995ChevroletC2500Base—
1980–1995ChevroletG10Chevy Van—
1995ChevroletC1500 SuburbanLS—
Specifications
CategoryEngine Components
Sub-CategoryRocker Arms
UPC036584196372
CARB ApprovedYes
Prop 65 WarningY
Special OrderYes
Weight4.78 lb
Dimensions (L×W×H)13 × 4 × 3.75 in