 | Auction Lot R265, Kissimmee. YS9637, COPO 9561 and 9737. 427 CI engine, 512 block. Winters aluminum intake manifold. 4-speed manual transmission. Heavy duty suspension. Power front disc brakes. AM radio. Hugger Orange with Black interior. Specifications for COPO Camaros were two distinct packages. COPO 9561 formed the core of the Yenko conversion, centering on the L72 Corvette engine. |
| It was an iron block with 4-bolt mains, utilized a forged-steel crank and connecting rods, forged-aluminum pistons, high-lift mechanical camshaft with heavy-duty valvetrain, large-valve rectangular-port heads and a big-bore Holley 4-barrel on a Winters dual-plane aluminum intake manifold. |  |
 | COPO 9561 also specified a curved-neck 4-core radiator, a Muncie 4-speed, F41 Special Suspension, power front disc brakes, a 4.10 BE-code Positraction rear axle and cowl-induction hood. |  |
 | The COPO 9737 Sports Car Conversion package added a 13/16-inch front stabilizer bar, 15x7-inch Rally wheels with E70x15 tires, and a 140 MPH speedometer. A top end 1969 Chevrolet Yenko Camaro is a highly desirable thing. |
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