Note: See 981790 for competition baffle (+2 to +3 dB)

020" thick reinforced graphite

OEM replacement reference 30426-58

Lets you mount a Mikuni HSR42 or a OEM CV carburator to any OEM style 2-bolt manifold with 3-5/16" (7cm) center to center mounting holes

For each oversize cylinder diameter will increase with

Valve Guide Evo In & EX oversize 0.001 Orig.HD S&S Super "A Note: See 981790 for competitionCast Iron is great when it comes to maximum durability and wear resistance. It is perfect for long distance touring applications. It is the standard since the invention of the piston engine. Note: Standard non oversize dimensions (for reference only) are 0. 5620" O. D. (14. 27mm); 0. 3090" I. D. (7. 85mm); 2. 00" OAL (50. 8mm). Fits: > 84 99 Evo Big Twin; 99 04 Twin Cam; 86 03 XL Sportster SET OF 4