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Yella Terra Ford 429, 460 Big Block [385 family] Roller Rockers - Race Series 1.73:1, 7/16 Screw in Stud mount YT5006

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The ultimate rocker arm for use in high revving street engines and most race applications.

Product Description

Part# YT5006 - Yella Terra racing roller rockers, stud mount roller set to suit Ford 429, 429-BOSS and 460 V8 engines commonly referred to as the 385 family of Ford big block engines or the Poly Angle big blocks. The ultimate race set up, proven over many years is this race series roller rocker when installed along with screw in studs and push rod guide plates to give you full valve lash adjustment and minimal reciprocating weight in the strongest rocker arms available. 7/16 UNC Stud mount with a rocker arm ratio of 1.73 : 1 ~ For use with mechanical or hydraulic camshafts.

For added valve train strength an additional stud girdle can be installed, sold separately. Your heads may require machining for screw in studs and guide plates. Screw in studs and guide plates sold separately; note hardened push rods have to be installed when using guide plates.

NOTE: Standard heads that require machining for screw in studs ~ remove .320” from Rocker pads, drill and tap 7/16” UNC, then fit studs and guide plates, sold separately



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All our bolt kits are available for resale. We can tailor & package a bolt kit in Polished Stainless or high tensile steel to your requirements in small or large quantities.
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